linux/tools/perf/builtin-c2c.c
Jiri Olsa 2d388bd0c9 perf c2c report: Add stdio output support
Adding the --stdio option output support. The output
tables are dumped directly to the stdio.

$ perf c2c report
  =================================================
             Shared Data Cache Line Table
  =================================================
  #
  #                       Total           ----- LLC Load Hitm -----  ---- Store Reference ----  --- Load Dram ----      LLC    Total  ----- Core Load Hit -----  -- LLC Load Hit --
  #          Cacheline  records    %hitm    Total      Lcl      Rmt    Total    L1Hit   L1Miss       Lcl       Rmt  Ld Miss    Loads       FB       L1       L2       Llc       Rmt
  # ..................  .......  .......  .......  .......  .......  .......  .......  .......  ........  ........  .......  .......  .......  .......  .......  ........  ........
  #
    0xffff88000235f840       17    0.00%        0        0        0       17       17        0         0         0        0        0        0        0        0         0         0
  ...

  =================================================
        Shared Cache Line Distribution Pareto
  =================================================
  #
  # ----- HITM -----  -- Store Refs --        Data address                                  ---------- cycles ----------       cpu                                   Shared
  #     Rmt      Lcl   L1 Hit  L1 Miss              Offset      Pid                    Tid  rmt hitm  lcl hitm      load       cnt                Symbol             Object  Node
  # .......  .......  .......  .......  ..................  .......  .....................  ........  ........  ........  ........  ....................  .................  ....
  #
    ------------------------------------------------------
          0        0       17        0  0xffff88000235f840
    ------------------------------------------------------
      0.00%    0.00%    5.88%    0.00%                 0x0    11474    11474:kworker/u16:5         0         0         0         1  [k] rmap_walk_file             [kernel.kallsyms]   0
      0.00%    0.00%    5.88%    0.00%                0x10    11474    11474:kworker/u16:5         0         0         0         1  [k] lock_page_memcg            [kernel.kallsyms]   0
      0.00%    0.00%   11.76%    0.00%                0x20    11474    11474:kworker/u16:5         0         0         0         1  [k] page_mapping               [kernel.kallsyms]   0
      0.00%    0.00%   64.71%    0.00%                0x28    11474    11474:kworker/u16:5         0         0         0         1  [k] __test_set_page_writeback  [kernel.kallsyms]   0
      0.00%    0.00%   11.76%    0.00%                0x30    11474    11474:kworker/u16:5         0         0         0         1  [k] page_mapped                [kernel.kallsyms]   0
  ...

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-eorco9r0oeesjve77pkkg43s@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-10-19 13:18:31 -03:00

2024 lines
46 KiB
C

#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
#include <asm/bug.h>
#include "util.h"
#include "debug.h"
#include "builtin.h"
#include <subcmd/parse-options.h>
#include "mem-events.h"
#include "session.h"
#include "hist.h"
#include "sort.h"
#include "tool.h"
#include "data.h"
#include "sort.h"
#include <asm/bug.h>
struct c2c_hists {
struct hists hists;
struct perf_hpp_list list;
struct c2c_stats stats;
};
struct compute_stats {
struct stats lcl_hitm;
struct stats rmt_hitm;
struct stats load;
};
struct c2c_hist_entry {
struct c2c_hists *hists;
struct c2c_stats stats;
unsigned long *cpuset;
struct c2c_stats *node_stats;
struct compute_stats cstats;
/*
* must be at the end,
* because of its callchain dynamic entry
*/
struct hist_entry he;
};
struct perf_c2c {
struct perf_tool tool;
struct c2c_hists hists;
unsigned long **nodes;
int nodes_cnt;
int cpus_cnt;
int *cpu2node;
int node_info;
bool show_src;
};
static struct perf_c2c c2c;
static void *c2c_he_zalloc(size_t size)
{
struct c2c_hist_entry *c2c_he;
c2c_he = zalloc(size + sizeof(*c2c_he));
if (!c2c_he)
return NULL;
c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
if (!c2c_he->cpuset)
return NULL;
c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
if (!c2c_he->node_stats)
return NULL;
init_stats(&c2c_he->cstats.lcl_hitm);
init_stats(&c2c_he->cstats.rmt_hitm);
init_stats(&c2c_he->cstats.load);
return &c2c_he->he;
}
static void c2c_he_free(void *he)
{
struct c2c_hist_entry *c2c_he;
c2c_he = container_of(he, struct c2c_hist_entry, he);
if (c2c_he->hists) {
hists__delete_entries(&c2c_he->hists->hists);
free(c2c_he->hists);
}
free(c2c_he->cpuset);
free(c2c_he->node_stats);
free(c2c_he);
}
static struct hist_entry_ops c2c_entry_ops = {
.new = c2c_he_zalloc,
.free = c2c_he_free,
};
static int c2c_hists__init(struct c2c_hists *hists,
const char *sort,
int nr_header_lines);
static struct c2c_hists*
he__get_c2c_hists(struct hist_entry *he,
const char *sort,
int nr_header_lines)
{
struct c2c_hist_entry *c2c_he;
struct c2c_hists *hists;
int ret;
c2c_he = container_of(he, struct c2c_hist_entry, he);
if (c2c_he->hists)
return c2c_he->hists;
hists = c2c_he->hists = zalloc(sizeof(*hists));
if (!hists)
return NULL;
ret = c2c_hists__init(hists, sort, nr_header_lines);
if (ret) {
free(hists);
return NULL;
}
return hists;
}
static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
struct perf_sample *sample)
{
if (WARN_ONCE(sample->cpu == (unsigned int) -1,
"WARNING: no sample cpu value"))
return;
set_bit(sample->cpu, c2c_he->cpuset);
}
static void compute_stats(struct c2c_hist_entry *c2c_he,
struct c2c_stats *stats,
u64 weight)
{
struct compute_stats *cstats = &c2c_he->cstats;
if (stats->rmt_hitm)
update_stats(&cstats->rmt_hitm, weight);
else if (stats->lcl_hitm)
update_stats(&cstats->lcl_hitm, weight);
else if (stats->load)
update_stats(&cstats->load, weight);
}
static int process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel __maybe_unused,
struct machine *machine)
{
struct c2c_hists *c2c_hists = &c2c.hists;
struct c2c_hist_entry *c2c_he;
struct c2c_stats stats = { .nr_entries = 0, };
struct hist_entry *he;
struct addr_location al;
struct mem_info *mi, *mi_dup;
int ret;
if (machine__resolve(machine, &al, sample) < 0) {
pr_debug("problem processing %d event, skipping it.\n",
event->header.type);
return -1;
}
mi = sample__resolve_mem(sample, &al);
if (mi == NULL)
return -ENOMEM;
mi_dup = memdup(mi, sizeof(*mi));
if (!mi_dup)
goto free_mi;
c2c_decode_stats(&stats, mi);
he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
&al, NULL, NULL, mi,
sample, true);
if (he == NULL)
goto free_mi_dup;
c2c_he = container_of(he, struct c2c_hist_entry, he);
c2c_add_stats(&c2c_he->stats, &stats);
c2c_add_stats(&c2c_hists->stats, &stats);
c2c_he__set_cpu(c2c_he, sample);
hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
ret = hist_entry__append_callchain(he, sample);
if (!ret) {
/*
* There's already been warning about missing
* sample's cpu value. Let's account all to
* node 0 in this case, without any further
* warning.
*
* Doing node stats only for single callchain data.
*/
int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
int node = c2c.cpu2node[cpu];
mi = mi_dup;
mi_dup = memdup(mi, sizeof(*mi));
if (!mi_dup)
goto free_mi;
c2c_hists = he__get_c2c_hists(he, "offset", 2);
if (!c2c_hists)
goto free_mi_dup;
he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
&al, NULL, NULL, mi,
sample, true);
if (he == NULL)
goto free_mi_dup;
c2c_he = container_of(he, struct c2c_hist_entry, he);
c2c_add_stats(&c2c_he->stats, &stats);
c2c_add_stats(&c2c_hists->stats, &stats);
c2c_add_stats(&c2c_he->node_stats[node], &stats);
compute_stats(c2c_he, &stats, sample->weight);
c2c_he__set_cpu(c2c_he, sample);
hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
ret = hist_entry__append_callchain(he, sample);
}
out:
addr_location__put(&al);
return ret;
free_mi_dup:
free(mi_dup);
free_mi:
free(mi);
ret = -ENOMEM;
goto out;
}
static struct perf_c2c c2c = {
.tool = {
.sample = process_sample_event,
.mmap = perf_event__process_mmap,
.mmap2 = perf_event__process_mmap2,
.comm = perf_event__process_comm,
.exit = perf_event__process_exit,
.fork = perf_event__process_fork,
.lost = perf_event__process_lost,
.ordered_events = true,
.ordering_requires_timestamps = true,
},
};
static const char * const c2c_usage[] = {
"perf c2c {record|report}",
NULL
};
static const char * const __usage_report[] = {
"perf c2c report",
NULL
};
static const char * const *report_c2c_usage = __usage_report;
#define C2C_HEADER_MAX 2
struct c2c_header {
struct {
const char *text;
int span;
} line[C2C_HEADER_MAX];
};
struct c2c_dimension {
struct c2c_header header;
const char *name;
int width;
struct sort_entry *se;
int64_t (*cmp)(struct perf_hpp_fmt *fmt,
struct hist_entry *, struct hist_entry *);
int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he);
int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he);
};
struct c2c_fmt {
struct perf_hpp_fmt fmt;
struct c2c_dimension *dim;
};
static int c2c_width(struct perf_hpp_fmt *fmt,
struct perf_hpp *hpp __maybe_unused,
struct hists *hists __maybe_unused)
{
struct c2c_fmt *c2c_fmt;
struct c2c_dimension *dim;
c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
dim = c2c_fmt->dim;
return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
c2c_fmt->dim->width;
}
static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists, int line, int *span)
{
struct perf_hpp_list *hpp_list = hists->hpp_list;
struct c2c_fmt *c2c_fmt;
struct c2c_dimension *dim;
const char *text = NULL;
int width = c2c_width(fmt, hpp, hists);
c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
dim = c2c_fmt->dim;
if (dim->se) {
text = dim->header.line[line].text;
/* Use the last line from sort_entry if not defined. */
if (!text && (line == hpp_list->nr_header_lines - 1))
text = dim->se->se_header;
} else {
text = dim->header.line[line].text;
if (*span) {
(*span)--;
return 0;
} else {
*span = dim->header.line[line].span;
}
}
if (text == NULL)
text = "";
return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
}
#define HEX_STR(__s, __v) \
({ \
scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
__s; \
})
static int64_t
dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
return sort__dcacheline_cmp(left, right);
}
static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
uint64_t addr = 0;
int width = c2c_width(fmt, hpp, he->hists);
char buf[20];
if (he->mem_info)
addr = cl_address(he->mem_info->daddr.addr);
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
uint64_t addr = 0;
int width = c2c_width(fmt, hpp, he->hists);
char buf[20];
if (he->mem_info)
addr = cl_offset(he->mem_info->daddr.al_addr);
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
static int64_t
offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
uint64_t l = 0, r = 0;
if (left->mem_info)
l = cl_offset(left->mem_info->daddr.addr);
if (right->mem_info)
r = cl_offset(right->mem_info->daddr.addr);
return (int64_t)(r - l);
}
static int
iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
uint64_t addr = 0;
int width = c2c_width(fmt, hpp, he->hists);
char buf[20];
if (he->mem_info)
addr = he->mem_info->iaddr.addr;
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
static int64_t
iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
return sort__iaddr_cmp(left, right);
}
static int
tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
unsigned int tot_hitm;
c2c_he = container_of(he, struct c2c_hist_entry, he);
tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
}
static int64_t
tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
struct c2c_hist_entry *c2c_left;
struct c2c_hist_entry *c2c_right;
unsigned int tot_hitm_left;
unsigned int tot_hitm_right;
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
return tot_hitm_left - tot_hitm_right;
}
#define STAT_FN_ENTRY(__f) \
static int \
__f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \
struct hist_entry *he) \
{ \
struct c2c_hist_entry *c2c_he; \
int width = c2c_width(fmt, hpp, he->hists); \
\
c2c_he = container_of(he, struct c2c_hist_entry, he); \
return scnprintf(hpp->buf, hpp->size, "%*u", width, \
c2c_he->stats.__f); \
}
#define STAT_FN_CMP(__f) \
static int64_t \
__f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
struct hist_entry *left, struct hist_entry *right) \
{ \
struct c2c_hist_entry *c2c_left, *c2c_right; \
\
c2c_left = container_of(left, struct c2c_hist_entry, he); \
c2c_right = container_of(right, struct c2c_hist_entry, he); \
return c2c_left->stats.__f - c2c_right->stats.__f; \
}
#define STAT_FN(__f) \
STAT_FN_ENTRY(__f) \
STAT_FN_CMP(__f)
STAT_FN(rmt_hitm)
STAT_FN(lcl_hitm)
STAT_FN(store)
STAT_FN(st_l1hit)
STAT_FN(st_l1miss)
STAT_FN(ld_fbhit)
STAT_FN(ld_l1hit)
STAT_FN(ld_l2hit)
STAT_FN(ld_llchit)
STAT_FN(rmt_hit)
static uint64_t llc_miss(struct c2c_stats *stats)
{
uint64_t llcmiss;
llcmiss = stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hitm +
stats->rmt_hit;
return llcmiss;
}
static int
ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
c2c_he = container_of(he, struct c2c_hist_entry, he);
return scnprintf(hpp->buf, hpp->size, "%*lu", width,
llc_miss(&c2c_he->stats));
}
static int64_t
ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
struct c2c_hist_entry *c2c_left;
struct c2c_hist_entry *c2c_right;
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
}
static uint64_t total_records(struct c2c_stats *stats)
{
uint64_t lclmiss, ldcnt, total;
lclmiss = stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hitm +
stats->rmt_hit;
ldcnt = lclmiss +
stats->ld_fbhit +
stats->ld_l1hit +
stats->ld_l2hit +
stats->ld_llchit +
stats->lcl_hitm;
total = ldcnt +
stats->st_l1hit +
stats->st_l1miss;
return total;
}
static int
tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
uint64_t tot_recs;
c2c_he = container_of(he, struct c2c_hist_entry, he);
tot_recs = total_records(&c2c_he->stats);
return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
}
static int64_t
tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
struct c2c_hist_entry *c2c_left;
struct c2c_hist_entry *c2c_right;
uint64_t tot_recs_left;
uint64_t tot_recs_right;
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
tot_recs_left = total_records(&c2c_left->stats);
tot_recs_right = total_records(&c2c_right->stats);
return tot_recs_left - tot_recs_right;
}
static uint64_t total_loads(struct c2c_stats *stats)
{
uint64_t lclmiss, ldcnt;
lclmiss = stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hitm +
stats->rmt_hit;
ldcnt = lclmiss +
stats->ld_fbhit +
stats->ld_l1hit +
stats->ld_l2hit +
stats->ld_llchit +
stats->lcl_hitm;
return ldcnt;
}
static int
tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
uint64_t tot_recs;
c2c_he = container_of(he, struct c2c_hist_entry, he);
tot_recs = total_loads(&c2c_he->stats);
return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
}
static int64_t
tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
struct c2c_hist_entry *c2c_left;
struct c2c_hist_entry *c2c_right;
uint64_t tot_recs_left;
uint64_t tot_recs_right;
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
tot_recs_left = total_loads(&c2c_left->stats);
tot_recs_right = total_loads(&c2c_right->stats);
return tot_recs_left - tot_recs_right;
}
typedef double (get_percent_cb)(struct c2c_hist_entry *);
static int
percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he, get_percent_cb get_percent)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
double per;
c2c_he = container_of(he, struct c2c_hist_entry, he);
per = get_percent(c2c_he);
return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
}
static double percent_hitm(struct c2c_hist_entry *c2c_he)
{
struct c2c_hists *hists;
struct c2c_stats *stats;
struct c2c_stats *total;
int tot, st;
double p;
hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
stats = &c2c_he->stats;
total = &hists->stats;
st = stats->rmt_hitm;
tot = total->rmt_hitm;
p = tot ? (double) st / tot : 0;
return 100 * p;
}
#define PERC_STR(__s, __v) \
({ \
scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
__s; \
})
static int
percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
char buf[10];
double per;
c2c_he = container_of(he, struct c2c_hist_entry, he);
per = percent_hitm(c2c_he);
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_hitm);
}
static int64_t
percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
struct c2c_hist_entry *c2c_left;
struct c2c_hist_entry *c2c_right;
double per_left;
double per_right;
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
per_left = percent_hitm(c2c_left);
per_right = percent_hitm(c2c_right);
return per_left - per_right;
}
static struct c2c_stats *he_stats(struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
c2c_he = container_of(he, struct c2c_hist_entry, he);
return &c2c_he->stats;
}
static struct c2c_stats *total_stats(struct hist_entry *he)
{
struct c2c_hists *hists;
hists = container_of(he->hists, struct c2c_hists, hists);
return &hists->stats;
}
static double percent(int st, int tot)
{
return tot ? 100. * (double) st / (double) tot : 0;
}
#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
#define PERCENT_FN(__f) \
static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
{ \
struct c2c_hists *hists; \
\
hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
return percent(c2c_he->stats.__f, hists->stats.__f); \
}
PERCENT_FN(rmt_hitm)
PERCENT_FN(lcl_hitm)
PERCENT_FN(st_l1hit)
PERCENT_FN(st_l1miss)
static int
percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
double per = PERCENT(he, rmt_hitm);
char buf[10];
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_rmt_hitm);
}
static int64_t
percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
double per_left;
double per_right;
per_left = PERCENT(left, lcl_hitm);
per_right = PERCENT(right, lcl_hitm);
return per_left - per_right;
}
static int
percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
double per = PERCENT(he, lcl_hitm);
char buf[10];
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_lcl_hitm);
}
static int64_t
percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
double per_left;
double per_right;
per_left = PERCENT(left, lcl_hitm);
per_right = PERCENT(right, lcl_hitm);
return per_left - per_right;
}
static int
percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
double per = PERCENT(he, st_l1hit);
char buf[10];
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_st_l1hit);
}
static int64_t
percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
double per_left;
double per_right;
per_left = PERCENT(left, st_l1hit);
per_right = PERCENT(right, st_l1hit);
return per_left - per_right;
}
static int
percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
double per = PERCENT(he, st_l1miss);
char buf[10];
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_st_l1miss);
}
static int64_t
percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
double per_left;
double per_right;
per_left = PERCENT(left, st_l1miss);
per_right = PERCENT(right, st_l1miss);
return per_left - per_right;
}
STAT_FN(lcl_dram)
STAT_FN(rmt_dram)
static int
pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
}
static int64_t
pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
return left->thread->pid_ - right->thread->pid_;
}
static int64_t
empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left __maybe_unused,
struct hist_entry *right __maybe_unused)
{
return 0;
}
static int
node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
bool first = true;
int node;
int ret = 0;
c2c_he = container_of(he, struct c2c_hist_entry, he);
for (node = 0; node < c2c.nodes_cnt; node++) {
DECLARE_BITMAP(set, c2c.cpus_cnt);
bitmap_zero(set, c2c.cpus_cnt);
bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
if (!bitmap_weight(set, c2c.cpus_cnt)) {
if (c2c.node_info == 1) {
ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
advance_hpp(hpp, ret);
}
continue;
}
if (!first) {
ret = scnprintf(hpp->buf, hpp->size, " ");
advance_hpp(hpp, ret);
}
switch (c2c.node_info) {
case 0:
ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
advance_hpp(hpp, ret);
break;
case 1:
{
int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
struct c2c_stats *stats = &c2c_he->node_stats[node];
ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
advance_hpp(hpp, ret);
if (c2c_he->stats.rmt_hitm > 0) {
ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",
percent(stats->rmt_hitm, c2c_he->stats.rmt_hitm));
} else {
ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");
}
advance_hpp(hpp, ret);
if (c2c_he->stats.store > 0) {
ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
percent(stats->store, c2c_he->stats.store));
} else {
ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
}
advance_hpp(hpp, ret);
break;
}
case 2:
ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
advance_hpp(hpp, ret);
ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
advance_hpp(hpp, ret);
ret = scnprintf(hpp->buf, hpp->size, "}");
advance_hpp(hpp, ret);
break;
default:
break;
}
first = false;
}
return 0;
}
static int
mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he, double mean)
{
int width = c2c_width(fmt, hpp, he->hists);
char buf[10];
scnprintf(buf, 10, "%6.0f", mean);
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
}
#define MEAN_ENTRY(__func, __val) \
static int \
__func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
{ \
struct c2c_hist_entry *c2c_he; \
c2c_he = container_of(he, struct c2c_hist_entry, he); \
return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \
}
MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
MEAN_ENTRY(mean_load_entry, load);
static int
cpucnt_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
char buf[10];
c2c_he = container_of(he, struct c2c_hist_entry, he);
scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
}
#define HEADER_LOW(__h) \
{ \
.line[1] = { \
.text = __h, \
}, \
}
#define HEADER_BOTH(__h0, __h1) \
{ \
.line[0] = { \
.text = __h0, \
}, \
.line[1] = { \
.text = __h1, \
}, \
}
#define HEADER_SPAN(__h0, __h1, __s) \
{ \
.line[0] = { \
.text = __h0, \
.span = __s, \
}, \
.line[1] = { \
.text = __h1, \
}, \
}
#define HEADER_SPAN_LOW(__h) \
{ \
.line[1] = { \
.text = __h, \
}, \
}
static struct c2c_dimension dim_dcacheline = {
.header = HEADER_LOW("Cacheline"),
.name = "dcacheline",
.cmp = dcacheline_cmp,
.entry = dcacheline_entry,
.width = 18,
};
static struct c2c_dimension dim_offset = {
.header = HEADER_BOTH("Data address", "Offset"),
.name = "offset",
.cmp = offset_cmp,
.entry = offset_entry,
.width = 18,
};
static struct c2c_dimension dim_iaddr = {
.header = HEADER_LOW("Code address"),
.name = "iaddr",
.cmp = iaddr_cmp,
.entry = iaddr_entry,
.width = 18,
};
static struct c2c_dimension dim_tot_hitm = {
.header = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
.name = "tot_hitm",
.cmp = tot_hitm_cmp,
.entry = tot_hitm_entry,
.width = 7,
};
static struct c2c_dimension dim_lcl_hitm = {
.header = HEADER_SPAN_LOW("Lcl"),
.name = "lcl_hitm",
.cmp = lcl_hitm_cmp,
.entry = lcl_hitm_entry,
.width = 7,
};
static struct c2c_dimension dim_rmt_hitm = {
.header = HEADER_SPAN_LOW("Rmt"),
.name = "rmt_hitm",
.cmp = rmt_hitm_cmp,
.entry = rmt_hitm_entry,
.width = 7,
};
static struct c2c_dimension dim_cl_rmt_hitm = {
.header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
.name = "cl_rmt_hitm",
.cmp = rmt_hitm_cmp,
.entry = rmt_hitm_entry,
.width = 7,
};
static struct c2c_dimension dim_cl_lcl_hitm = {
.header = HEADER_SPAN_LOW("Lcl"),
.name = "cl_lcl_hitm",
.cmp = lcl_hitm_cmp,
.entry = lcl_hitm_entry,
.width = 7,
};
static struct c2c_dimension dim_stores = {
.header = HEADER_SPAN("---- Store Reference ----", "Total", 2),
.name = "stores",
.cmp = store_cmp,
.entry = store_entry,
.width = 7,
};
static struct c2c_dimension dim_stores_l1hit = {
.header = HEADER_SPAN_LOW("L1Hit"),
.name = "stores_l1hit",
.cmp = st_l1hit_cmp,
.entry = st_l1hit_entry,
.width = 7,
};
static struct c2c_dimension dim_stores_l1miss = {
.header = HEADER_SPAN_LOW("L1Miss"),
.name = "stores_l1miss",
.cmp = st_l1miss_cmp,
.entry = st_l1miss_entry,
.width = 7,
};
static struct c2c_dimension dim_cl_stores_l1hit = {
.header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
.name = "cl_stores_l1hit",
.cmp = st_l1hit_cmp,
.entry = st_l1hit_entry,
.width = 7,
};
static struct c2c_dimension dim_cl_stores_l1miss = {
.header = HEADER_SPAN_LOW("L1 Miss"),
.name = "cl_stores_l1miss",
.cmp = st_l1miss_cmp,
.entry = st_l1miss_entry,
.width = 7,
};
static struct c2c_dimension dim_ld_fbhit = {
.header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
.name = "ld_fbhit",
.cmp = ld_fbhit_cmp,
.entry = ld_fbhit_entry,
.width = 7,
};
static struct c2c_dimension dim_ld_l1hit = {
.header = HEADER_SPAN_LOW("L1"),
.name = "ld_l1hit",
.cmp = ld_l1hit_cmp,
.entry = ld_l1hit_entry,
.width = 7,
};
static struct c2c_dimension dim_ld_l2hit = {
.header = HEADER_SPAN_LOW("L2"),
.name = "ld_l2hit",
.cmp = ld_l2hit_cmp,
.entry = ld_l2hit_entry,
.width = 7,
};
static struct c2c_dimension dim_ld_llchit = {
.header = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
.name = "ld_lclhit",
.cmp = ld_llchit_cmp,
.entry = ld_llchit_entry,
.width = 8,
};
static struct c2c_dimension dim_ld_rmthit = {
.header = HEADER_SPAN_LOW("Rmt"),
.name = "ld_rmthit",
.cmp = rmt_hit_cmp,
.entry = rmt_hit_entry,
.width = 8,
};
static struct c2c_dimension dim_ld_llcmiss = {
.header = HEADER_BOTH("LLC", "Ld Miss"),
.name = "ld_llcmiss",
.cmp = ld_llcmiss_cmp,
.entry = ld_llcmiss_entry,
.width = 7,
};
static struct c2c_dimension dim_tot_recs = {
.header = HEADER_BOTH("Total", "records"),
.name = "tot_recs",
.cmp = tot_recs_cmp,
.entry = tot_recs_entry,
.width = 7,
};
static struct c2c_dimension dim_tot_loads = {
.header = HEADER_BOTH("Total", "Loads"),
.name = "tot_loads",
.cmp = tot_loads_cmp,
.entry = tot_loads_entry,
.width = 7,
};
static struct c2c_dimension dim_percent_hitm = {
.header = HEADER_LOW("%hitm"),
.name = "percent_hitm",
.cmp = percent_hitm_cmp,
.entry = percent_hitm_entry,
.color = percent_hitm_color,
.width = 7,
};
static struct c2c_dimension dim_percent_rmt_hitm = {
.header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
.name = "percent_rmt_hitm",
.cmp = percent_rmt_hitm_cmp,
.entry = percent_rmt_hitm_entry,
.color = percent_rmt_hitm_color,
.width = 7,
};
static struct c2c_dimension dim_percent_lcl_hitm = {
.header = HEADER_SPAN_LOW("Lcl"),
.name = "percent_lcl_hitm",
.cmp = percent_lcl_hitm_cmp,
.entry = percent_lcl_hitm_entry,
.color = percent_lcl_hitm_color,
.width = 7,
};
static struct c2c_dimension dim_percent_stores_l1hit = {
.header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
.name = "percent_stores_l1hit",
.cmp = percent_stores_l1hit_cmp,
.entry = percent_stores_l1hit_entry,
.color = percent_stores_l1hit_color,
.width = 7,
};
static struct c2c_dimension dim_percent_stores_l1miss = {
.header = HEADER_SPAN_LOW("L1 Miss"),
.name = "percent_stores_l1miss",
.cmp = percent_stores_l1miss_cmp,
.entry = percent_stores_l1miss_entry,
.color = percent_stores_l1miss_color,
.width = 7,
};
static struct c2c_dimension dim_dram_lcl = {
.header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
.name = "dram_lcl",
.cmp = lcl_dram_cmp,
.entry = lcl_dram_entry,
.width = 8,
};
static struct c2c_dimension dim_dram_rmt = {
.header = HEADER_SPAN_LOW("Rmt"),
.name = "dram_rmt",
.cmp = rmt_dram_cmp,
.entry = rmt_dram_entry,
.width = 8,
};
static struct c2c_dimension dim_pid = {
.header = HEADER_LOW("Pid"),
.name = "pid",
.cmp = pid_cmp,
.entry = pid_entry,
.width = 7,
};
static struct c2c_dimension dim_tid = {
.header = HEADER_LOW("Tid"),
.name = "tid",
.se = &sort_thread,
};
static struct c2c_dimension dim_symbol = {
.name = "symbol",
.se = &sort_sym,
};
static struct c2c_dimension dim_dso = {
.header = HEADER_BOTH("Shared", "Object"),
.name = "dso",
.se = &sort_dso,
};
static struct c2c_header header_node[3] = {
HEADER_LOW("Node"),
HEADER_LOW("Node{cpus %hitms %stores}"),
HEADER_LOW("Node{cpu list}"),
};
static struct c2c_dimension dim_node = {
.name = "node",
.cmp = empty_cmp,
.entry = node_entry,
.width = 4,
};
static struct c2c_dimension dim_mean_rmt = {
.header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
.name = "mean_rmt",
.cmp = empty_cmp,
.entry = mean_rmt_entry,
.width = 8,
};
static struct c2c_dimension dim_mean_lcl = {
.header = HEADER_SPAN_LOW("lcl hitm"),
.name = "mean_lcl",
.cmp = empty_cmp,
.entry = mean_lcl_entry,
.width = 8,
};
static struct c2c_dimension dim_mean_load = {
.header = HEADER_SPAN_LOW("load"),
.name = "mean_load",
.cmp = empty_cmp,
.entry = mean_load_entry,
.width = 8,
};
static struct c2c_dimension dim_cpucnt = {
.header = HEADER_BOTH("cpu", "cnt"),
.name = "cpucnt",
.cmp = empty_cmp,
.entry = cpucnt_entry,
.width = 8,
};
static struct c2c_dimension dim_srcline = {
.name = "cl_srcline",
.se = &sort_srcline,
};
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
&dim_offset,
&dim_iaddr,
&dim_tot_hitm,
&dim_lcl_hitm,
&dim_rmt_hitm,
&dim_cl_lcl_hitm,
&dim_cl_rmt_hitm,
&dim_stores,
&dim_stores_l1hit,
&dim_stores_l1miss,
&dim_cl_stores_l1hit,
&dim_cl_stores_l1miss,
&dim_ld_fbhit,
&dim_ld_l1hit,
&dim_ld_l2hit,
&dim_ld_llchit,
&dim_ld_rmthit,
&dim_ld_llcmiss,
&dim_tot_recs,
&dim_tot_loads,
&dim_percent_hitm,
&dim_percent_rmt_hitm,
&dim_percent_lcl_hitm,
&dim_percent_stores_l1hit,
&dim_percent_stores_l1miss,
&dim_dram_lcl,
&dim_dram_rmt,
&dim_pid,
&dim_tid,
&dim_symbol,
&dim_dso,
&dim_node,
&dim_mean_rmt,
&dim_mean_lcl,
&dim_mean_load,
&dim_cpucnt,
&dim_srcline,
NULL,
};
static void fmt_free(struct perf_hpp_fmt *fmt)
{
struct c2c_fmt *c2c_fmt;
c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
free(c2c_fmt);
}
static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
{
struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
return c2c_a->dim == c2c_b->dim;
}
static struct c2c_dimension *get_dimension(const char *name)
{
unsigned int i;
for (i = 0; dimensions[i]; i++) {
struct c2c_dimension *dim = dimensions[i];
if (!strcmp(dim->name, name))
return dim;
};
return NULL;
}
static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
struct c2c_dimension *dim = c2c_fmt->dim;
size_t len = fmt->user_len;
if (!len)
len = hists__col_len(he->hists, dim->se->se_width_idx);
return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
}
static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
struct hist_entry *a, struct hist_entry *b)
{
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
struct c2c_dimension *dim = c2c_fmt->dim;
return dim->se->se_cmp(a, b);
}
static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
struct hist_entry *a, struct hist_entry *b)
{
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
struct c2c_dimension *dim = c2c_fmt->dim;
int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
return collapse_fn(a, b);
}
static struct c2c_fmt *get_format(const char *name)
{
struct c2c_dimension *dim = get_dimension(name);
struct c2c_fmt *c2c_fmt;
struct perf_hpp_fmt *fmt;
if (!dim)
return NULL;
c2c_fmt = zalloc(sizeof(*c2c_fmt));
if (!c2c_fmt)
return NULL;
c2c_fmt->dim = dim;
fmt = &c2c_fmt->fmt;
INIT_LIST_HEAD(&fmt->list);
INIT_LIST_HEAD(&fmt->sort_list);
fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
fmt->color = dim->se ? NULL : dim->color;
fmt->entry = dim->se ? c2c_se_entry : dim->entry;
fmt->header = c2c_header;
fmt->width = c2c_width;
fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp;
fmt->equal = fmt_equal;
fmt->free = fmt_free;
return c2c_fmt;
}
static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
{
struct c2c_fmt *c2c_fmt = get_format(name);
if (!c2c_fmt) {
reset_dimensions();
return output_field_add(hpp_list, name);
}
perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
return 0;
}
static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
{
struct c2c_fmt *c2c_fmt = get_format(name);
struct c2c_dimension *dim;
if (!c2c_fmt) {
reset_dimensions();
return sort_dimension__add(hpp_list, name, NULL, 0);
}
dim = c2c_fmt->dim;
if (dim == &dim_dso)
hpp_list->dso = 1;
perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
return 0;
}
#define PARSE_LIST(_list, _fn) \
do { \
char *tmp, *tok; \
ret = 0; \
\
if (!_list) \
break; \
\
for (tok = strtok_r((char *)_list, ", ", &tmp); \
tok; tok = strtok_r(NULL, ", ", &tmp)) { \
ret = _fn(hpp_list, tok); \
if (ret == -EINVAL) { \
error("Invalid --fields key: `%s'", tok); \
break; \
} else if (ret == -ESRCH) { \
error("Unknown --fields key: `%s'", tok); \
break; \
} \
} \
} while (0)
static int hpp_list__parse(struct perf_hpp_list *hpp_list,
const char *output_,
const char *sort_)
{
char *output = output_ ? strdup(output_) : NULL;
char *sort = sort_ ? strdup(sort_) : NULL;
int ret;
PARSE_LIST(output, c2c_hists__init_output);
PARSE_LIST(sort, c2c_hists__init_sort);
/* copy sort keys to output fields */
perf_hpp__setup_output_field(hpp_list);
/*
* We dont need other sorting keys other than those
* we already specified. It also really slows down
* the processing a lot with big number of output
* fields, so switching this off for c2c.
*/
#if 0
/* and then copy output fields to sort keys */
perf_hpp__append_sort_keys(&hists->list);
#endif
free(output);
free(sort);
return ret;
}
static int c2c_hists__init(struct c2c_hists *hists,
const char *sort,
int nr_header_lines)
{
__hists__init(&hists->hists, &hists->list);
/*
* Initialize only with sort fields, we need to resort
* later anyway, and that's where we add output fields
* as well.
*/
perf_hpp_list__init(&hists->list);
/* Overload number of header lines.*/
hists->list.nr_header_lines = nr_header_lines;
return hpp_list__parse(&hists->list, NULL, sort);
}
__maybe_unused
static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
const char *output,
const char *sort)
{
perf_hpp__reset_output_field(&c2c_hists->list);
return hpp_list__parse(&c2c_hists->list, output, sort);
}
static int filter_cb(struct hist_entry *he)
{
if (c2c.show_src && !he->srcline)
he->srcline = hist_entry__get_srcline(he);
return 0;
}
static int resort_cl_cb(struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
struct c2c_hists *c2c_hists;
c2c_he = container_of(he, struct c2c_hist_entry, he);
c2c_hists = c2c_he->hists;
if (c2c_hists) {
c2c_hists__reinit(c2c_hists,
"percent_rmt_hitm,"
"percent_lcl_hitm,"
"percent_stores_l1hit,"
"percent_stores_l1miss,"
"offset,"
"pid,"
"tid,"
"mean_rmt,"
"mean_lcl,"
"mean_load,"
"cpucnt,"
"symbol,"
"dso,"
"node",
"offset,rmt_hitm,lcl_hitm");
hists__collapse_resort(&c2c_hists->hists, NULL);
hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
}
return 0;
}
static void setup_nodes_header(void)
{
dim_node.header = header_node[c2c.node_info];
}
static int setup_nodes(struct perf_session *session)
{
struct numa_node *n;
unsigned long **nodes;
int node, cpu;
int *cpu2node;
if (c2c.node_info > 2)
c2c.node_info = 2;
c2c.nodes_cnt = session->header.env.nr_numa_nodes;
c2c.cpus_cnt = session->header.env.nr_cpus_online;
n = session->header.env.numa_nodes;
if (!n)
return -EINVAL;
nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
if (!nodes)
return -ENOMEM;
c2c.nodes = nodes;
cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
if (!cpu2node)
return -ENOMEM;
for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
cpu2node[cpu] = -1;
c2c.cpu2node = cpu2node;
for (node = 0; node < c2c.nodes_cnt; node++) {
struct cpu_map *map = n[node].map;
unsigned long *set;
set = bitmap_alloc(c2c.cpus_cnt);
if (!set)
return -ENOMEM;
for (cpu = 0; cpu < map->nr; cpu++) {
set_bit(map->map[cpu], set);
if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
return -EINVAL;
cpu2node[map->map[cpu]] = node;
}
nodes[node] = set;
}
setup_nodes_header();
return 0;
}
static void print_cacheline(struct c2c_hists *c2c_hists,
struct hist_entry *he_cl,
struct perf_hpp_list *hpp_list,
FILE *out)
{
char bf[1000];
struct perf_hpp hpp = {
.buf = bf,
.size = 1000,
};
static bool once;
if (!once) {
hists__fprintf_headers(&c2c_hists->hists, out);
once = true;
} else {
fprintf(out, "\n");
}
fprintf(out, " ------------------------------------------------------\n");
__hist_entry__snprintf(he_cl, &hpp, hpp_list);
fprintf(out, "%s\n", bf);
fprintf(out, " ------------------------------------------------------\n");
hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
}
static void print_pareto(FILE *out)
{
struct perf_hpp_list hpp_list;
struct rb_node *nd;
int ret;
perf_hpp_list__init(&hpp_list);
ret = hpp_list__parse(&hpp_list,
"cl_rmt_hitm,"
"cl_lcl_hitm,"
"cl_stores_l1hit,"
"cl_stores_l1miss,"
"dcacheline",
NULL);
if (WARN_ONCE(ret, "failed to setup sort entries\n"))
return;
nd = rb_first(&c2c.hists.hists.entries);
for (; nd; nd = rb_next(nd)) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
struct c2c_hist_entry *c2c_he;
if (he->filtered)
continue;
c2c_he = container_of(he, struct c2c_hist_entry, he);
print_cacheline(c2c_he->hists, he, &hpp_list, out);
}
}
static void perf_c2c__hists_fprintf(FILE *out)
{
setup_pager();
fprintf(out, "\n");
fprintf(out, "=================================================\n");
fprintf(out, " Shared Data Cache Line Table \n");
fprintf(out, "=================================================\n");
fprintf(out, "#\n");
hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
fprintf(out, "\n");
fprintf(out, "=================================================\n");
fprintf(out, " Shared Cache Line Distribution Pareto \n");
fprintf(out, "=================================================\n");
fprintf(out, "#\n");
print_pareto(out);
}
static int perf_c2c__report(int argc, const char **argv)
{
struct perf_session *session;
struct ui_progress prog;
struct perf_data_file file = {
.mode = PERF_DATA_MODE_READ,
};
const struct option c2c_options[] = {
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
"file", "vmlinux pathname"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_STRING('i', "input", &input_name, "file",
"the input file to process"),
OPT_INCR('N', "node-info", &c2c.node_info,
"show extra node info in report (repeat for more info)"),
OPT_END()
};
int err = 0;
argc = parse_options(argc, argv, c2c_options, report_c2c_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (argc)
usage_with_options(report_c2c_usage, c2c_options);
if (!input_name || !strlen(input_name))
input_name = "perf.data";
file.path = input_name;
err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
if (err) {
pr_debug("Failed to initialize hists\n");
goto out;
}
session = perf_session__new(&file, 0, &c2c.tool);
if (session == NULL) {
pr_debug("No memory for session\n");
goto out;
}
err = setup_nodes(session);
if (err) {
pr_err("Failed setup nodes\n");
goto out;
}
if (symbol__init(&session->header.env) < 0)
goto out_session;
/* No pipe support at the moment. */
if (perf_data_file__is_pipe(session->file)) {
pr_debug("No pipe support at the moment.\n");
goto out_session;
}
err = perf_session__process_events(session);
if (err) {
pr_err("failed to process sample\n");
goto out_session;
}
c2c_hists__reinit(&c2c.hists,
"dcacheline,"
"tot_recs,"
"percent_hitm,"
"tot_hitm,lcl_hitm,rmt_hitm,"
"stores,stores_l1hit,stores_l1miss,"
"dram_lcl,dram_rmt,"
"ld_llcmiss,"
"tot_loads,"
"ld_fbhit,ld_l1hit,ld_l2hit,"
"ld_lclhit,ld_rmthit",
"rmt_hitm"
);
ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
hists__collapse_resort(&c2c.hists.hists, NULL);
hists__output_resort_cb(&c2c.hists.hists, &prog, resort_cl_cb);
ui_progress__finish();
use_browser = 0;
perf_c2c__hists_fprintf(stdout);
out_session:
perf_session__delete(session);
out:
return err;
}
static int parse_record_events(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
bool *event_set = (bool *) opt->value;
*event_set = true;
return perf_mem_events__parse(str);
}
static const char * const __usage_record[] = {
"perf c2c record [<options>] [<command>]",
"perf c2c record [<options>] -- <command> [<options>]",
NULL
};
static const char * const *record_mem_usage = __usage_record;
static int perf_c2c__record(int argc, const char **argv)
{
int rec_argc, i = 0, j;
const char **rec_argv;
int ret;
bool all_user = false, all_kernel = false;
bool event_set = false;
struct option options[] = {
OPT_CALLBACK('e', "event", &event_set, "event",
"event selector. Use 'perf mem record -e list' to list available events",
parse_record_events),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
OPT_END()
};
if (perf_mem_events__init()) {
pr_err("failed: memory events not supported\n");
return -1;
}
argc = parse_options(argc, argv, options, record_mem_usage,
PARSE_OPT_KEEP_UNKNOWN);
rec_argc = argc + 10; /* max number of arguments */
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (!rec_argv)
return -1;
rec_argv[i++] = "record";
if (!event_set) {
perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
}
if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
rec_argv[i++] = "-W";
rec_argv[i++] = "-d";
rec_argv[i++] = "--sample-cpu";
for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
if (!perf_mem_events[j].record)
continue;
if (!perf_mem_events[j].supported) {
pr_err("failed: event '%s' not supported\n",
perf_mem_events[j].name);
return -1;
}
rec_argv[i++] = "-e";
rec_argv[i++] = perf_mem_events__name(j);
};
if (all_user)
rec_argv[i++] = "--all-user";
if (all_kernel)
rec_argv[i++] = "--all-kernel";
for (j = 0; j < argc; j++, i++)
rec_argv[i] = argv[j];
if (verbose > 0) {
pr_debug("calling: ");
j = 0;
while (rec_argv[j]) {
pr_debug("%s ", rec_argv[j]);
j++;
}
pr_debug("\n");
}
ret = cmd_record(i, rec_argv, NULL);
free(rec_argv);
return ret;
}
int cmd_c2c(int argc, const char **argv, const char *prefix __maybe_unused)
{
const struct option c2c_options[] = {
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
OPT_END()
};
argc = parse_options(argc, argv, c2c_options, c2c_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc)
usage_with_options(c2c_usage, c2c_options);
if (!strncmp(argv[0], "rec", 3)) {
return perf_c2c__record(argc, argv);
} else if (!strncmp(argv[0], "rep", 3)) {
return perf_c2c__report(argc, argv);
} else {
usage_with_options(c2c_usage, c2c_options);
}
return 0;
}