File: mem-events.c

package info (click to toggle)
linux 6.1.139-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,495,880 kB
  • sloc: ansic: 23,469,452; asm: 266,614; sh: 110,522; makefile: 49,887; python: 36,990; perl: 36,834; cpp: 6,056; yacc: 4,908; lex: 2,725; awk: 1,440; ruby: 25; sed: 5
file content (37 lines) | stat: -rw-r--r-- 1,151 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
// SPDX-License-Identifier: GPL-2.0
#include "map_symbol.h"
#include "mem-events.h"

#define E(t, n, s) { .tag = t, .name = n, .sysfs_name = s }

static struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = {
	E("spe-load",	"arm_spe_0/ts_enable=1,pa_enable=1,load_filter=1,store_filter=0,min_latency=%u/",	"arm_spe_0"),
	E("spe-store",	"arm_spe_0/ts_enable=1,pa_enable=1,load_filter=0,store_filter=1/",			"arm_spe_0"),
	E("spe-ldst",	"arm_spe_0/ts_enable=1,pa_enable=1,load_filter=1,store_filter=1,min_latency=%u/",	"arm_spe_0"),
};

static char mem_ev_name[100];

struct perf_mem_event *perf_mem_events__ptr(int i)
{
	if (i >= PERF_MEM_EVENTS__MAX)
		return NULL;

	return &perf_mem_events[i];
}

char *perf_mem_events__name(int i, char *pmu_name __maybe_unused)
{
	struct perf_mem_event *e = perf_mem_events__ptr(i);

	if (i >= PERF_MEM_EVENTS__MAX)
		return NULL;

	if (i == PERF_MEM_EVENTS__LOAD || i == PERF_MEM_EVENTS__LOAD_STORE)
		scnprintf(mem_ev_name, sizeof(mem_ev_name),
			  e->name, perf_mem_events__loads_ldlat);
	else /* PERF_MEM_EVENTS__STORE */
		scnprintf(mem_ev_name, sizeof(mem_ev_name), e->name);

	return mem_ev_name;
}