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perf tools: Add monitored events array

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It will ease up configuration of memory events and addition of other
memory events in following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1455525293-8671-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-02-15 09:34:34 +01:00 committed by Arnaldo Carvalho de Melo
parent d392711095
commit acbe613e0c
4 changed files with 39 additions and 8 deletions
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17
tools/perf/builtin-mem.c
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@ -6,6 +6,7 @@
#include "util/tool.h"
#include "util/session.h"
#include "util/data.h"
#include "util/mem-events.h"
#define MEM_OPERATION_LOAD 0x1
#define MEM_OPERATION_STORE 0x2
@ -34,20 +35,20 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
rec_argv[i++] = "record";
if (mem->operation & MEM_OPERATION_LOAD)
if (mem->operation & MEM_OPERATION_LOAD) {
perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
rec_argv[i++] = "-W";
}
rec_argv[i++] = "-d";
if (mem->operation & MEM_OPERATION_LOAD) {
rec_argv[i++] = "-e";
rec_argv[i++] = "cpu/mem-loads/pp";
}
for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
if (!perf_mem_events[j].record)
continue;
if (mem->operation & MEM_OPERATION_STORE) {
rec_argv[i++] = "-e";
rec_argv[i++] = "cpu/mem-stores/pp";
}
rec_argv[i++] = perf_mem_events[j].name;
};
for (j = 1; j < argc; j++, i++)
rec_argv[i] = argv[j];

1
tools/perf/util/Build
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@ -82,6 +82,7 @@ libperf-y += parse-branch-options.o
libperf-y += parse-regs-options.o
libperf-y += term.o
libperf-y += help-unknown-cmd.o
libperf-y += mem-events.o
libperf-$(CONFIG_LIBBPF) += bpf-loader.o
libperf-$(CONFIG_BPF_PROLOGUE) += bpf-prologue.o

10
tools/perf/util/mem-events.c Normal file
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@ -0,0 +1,10 @@
#include "mem-events.h"
#define E(n) { .name = n }
struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = {
E("cpu/mem-loads,ldlat=30/P"),
E("cpu/mem-stores/P"),
};
#undef E

19
tools/perf/util/mem-events.h Normal file
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@ -0,0 +1,19 @@
#ifndef __PERF_MEM_EVENTS_H
#define __PERF_MEM_EVENTS_H
#include <stdbool.h>
struct perf_mem_event {
bool record;
const char *name;
};
enum {
PERF_MEM_EVENTS__LOAD,
PERF_MEM_EVENTS__STORE,
PERF_MEM_EVENTS__MAX,
};
extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX];
#endif /* __PERF_MEM_EVENTS_H */