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perf unwind: Use 'struct map_symbol' in 'struct unwind_entry'

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To help in passing that info around to callchain routines that, for the
same reason, are moving to use 'struct map_symbol'.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-epsiibeprpxa8qpwji47uskc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2019-11-04 11:58:21 -03:00
parent 2975489458
commit c1529738f5
5 changed files with 19 additions and 20 deletions
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2
tools/perf/tests/dwarf-unwind.c
View File

@ -59,7 +59,7 @@ int test_dwarf_unwind__krava_1(struct thread *thread);
static int unwind_entry(struct unwind_entry *entry, void *arg)
{
unsigned long *cnt = (unsigned long *) arg;
char *symbol = entry->sym ? entry->sym->name : NULL;
char *symbol = entry->ms.sym ? entry->ms.sym->name : NULL;
static const char *funcs[MAX_STACK] = {
"test__arch_unwind_sample",
"test_dwarf_unwind__thread",

17
tools/perf/util/machine.c
View File

@ -2448,9 +2448,10 @@ check_calls:
return 0;
}
static int append_inlines(struct callchain_cursor *cursor,
struct map *map, struct symbol *sym, u64 ip)
static int append_inlines(struct callchain_cursor *cursor, struct map_symbol *ms, u64 ip)
{
struct symbol *sym = ms->sym;
struct map *map = ms->map;
struct inline_node *inline_node;
struct inline_list *ilist;
u64 addr;
@ -2488,22 +2489,22 @@ static int unwind_entry(struct unwind_entry *entry, void *arg)
const char *srcline = NULL;
u64 addr = entry->ip;
if (symbol_conf.hide_unresolved && entry->sym == NULL)
if (symbol_conf.hide_unresolved && entry->ms.sym == NULL)
return 0;
if (append_inlines(cursor, entry->map, entry->sym, entry->ip) == 0)
if (append_inlines(cursor, &entry->ms, entry->ip) == 0)
return 0;
/*
* Convert entry->ip from a virtual address to an offset in
* its corresponding binary.
*/
if (entry->map)
addr = map__map_ip(entry->map, entry->ip);
if (entry->ms.map)
addr = map__map_ip(entry->ms.map, entry->ip);
srcline = callchain_srcline(entry->map, entry->sym, addr);
srcline = callchain_srcline(entry->ms.map, entry->ms.sym, addr);
return callchain_cursor_append(cursor, entry->ip,
entry->map, entry->sym,
entry->ms.map, entry->ms.sym,
false, NULL, 0, 0, 0, srcline);
}

6
tools/perf/util/unwind-libdw.c
View File

@ -80,9 +80,9 @@ static int entry(u64 ip, struct unwind_info *ui)
if (__report_module(&al, ip, ui))
return -1;
e->ip = ip;
e->map = al.map;
e->sym = al.sym;
e->ip = ip;
e->ms.map = al.map;
e->ms.sym = al.sym;
pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n",
al.sym ? al.sym->name : "''",

6
tools/perf/util/unwind-libunwind-local.c
View File

@ -575,9 +575,9 @@ static int entry(u64 ip, struct thread *thread,
struct unwind_entry e;
struct addr_location al;
e.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
e.ip = ip;
e.map = al.map;
e.ms.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
e.ip = ip;
e.ms.map = al.map;
pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n",
al.sym ? al.sym->name : "''",

8
tools/perf/util/unwind.h
View File

@ -4,17 +4,15 @@
#include <linux/compiler.h>
#include <linux/types.h>
#include "util/map_symbol.h"
struct map;
struct map_groups;
struct perf_sample;
struct symbol;
struct thread;
struct unwind_entry {
struct map *map;
struct symbol *sym;
u64 ip;
struct map_symbol ms;
u64 ip;
};
typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);