tools/perf/arch/x86/util/mem-events.c

Source file repositories/reference/linux-study-clean/tools/perf/arch/x86/util/mem-events.c

File Facts

System
Linux kernel
Corpus path
tools/perf/arch/x86/util/mem-events.c
Extension
.c
Size
1170 bytes
Lines
35
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include "linux/string.h"
#include "util/map_symbol.h"
#include "util/mem-events.h"
#include "mem-events.h"


#define MEM_LOADS_AUX		0x8203

#define E(t, n, s, l, a) { .tag = t, .name = n, .event_name = s, .ldlat = l, .aux_event = a }

struct perf_mem_event perf_mem_events_intel[PERF_MEM_EVENTS__MAX] = {
	E("ldlat-loads",	"%s/mem-loads,ldlat=%u/P",	"mem-loads",	true,	0),
	E("ldlat-stores",	"%s/mem-stores/P",		"mem-stores",	false,	0),
	E(NULL,			NULL,				NULL,		false,	0),
};

struct perf_mem_event perf_mem_events_intel_aux[PERF_MEM_EVENTS__MAX] = {
	E("ldlat-loads",	"{%s/mem-loads-aux/,%s/mem-loads,ldlat=%u/}:P",	"mem-loads",	true,	MEM_LOADS_AUX),
	E("ldlat-stores",	"%s/mem-stores/P",		"mem-stores",	false,	0),
	E(NULL,			NULL,				NULL,		false,	0),
};

struct perf_mem_event perf_mem_events_amd[PERF_MEM_EVENTS__MAX] = {
	E(NULL,		NULL,		NULL,	false,	0),
	E(NULL,		NULL,		NULL,	false,	0),
	E("mem-ldst",	"%s//",		NULL,	false,	0),
};

struct perf_mem_event perf_mem_events_amd_ldlat[PERF_MEM_EVENTS__MAX] = {
	E(NULL,		NULL,		NULL,	false,	0),
	E(NULL,		NULL,		NULL,	false,	0),
	E("mem-ldst",	"%s/ldlat=%u/",	NULL,	true,	0),
};

Annotation

Implementation Notes