path: root/tools/perf/tests/pmu-events.c

// SPDX-License-Identifier: GPL-2.0
#include "math.h"
#include "parse-events.h"
#include "pmu.h"
#include "pmus.h"
#include "tests.h"
#include <errno.h>
#include <stdio.h>
#include <linux/kernel.h>
#include <linux/zalloc.h>
#include "debug.h"
#include "../pmu-events/pmu-events.h"
#include <perf/evlist.h>
#include "util/evlist.h"
#include "util/expr.h"
#include "util/hashmap.h"
#include "util/parse-events.h"
#include "metricgroup.h"
#include "stat.h"

struct perf_pmu_test_event {
	/* used for matching against events from generated pmu-events.c */
	struct pmu_event event;

	/* used for matching against event aliases */
	/* extra events for aliases */
	const char *alias_str;

	/*
	 * Note: For when PublicDescription does not exist in the JSON, we
	 * will have no long_desc in pmu_event.long_desc, but long_desc may
	 * be set in the alias.
	 */
	const char *alias_long_desc;

	/* PMU which we should match against */
	const char *matching_pmu;
};

struct perf_pmu_test_pmu {
	struct perf_pmu pmu;
	struct perf_pmu_test_event const *aliases[10];
};

static const struct perf_pmu_test_event bp_l1_btb_correct = {
	.event = {
		.pmu = "default_core",
		.name = "bp_l1_btb_correct",
		.event = "event=0x8a",
		.desc = "L1 BTB Correction",
		.topic = "branch",
	},
	.alias_str = "event=0x8a",
	.alias_long_desc = "L1 BTB Correction",
};

static const struct perf_pmu_test_event bp_l2_btb_correct = {
	.event = {
		.pmu = "default_core",
		.name = "bp_l2_btb_correct",
		.event = "event=0x8b",
		.desc = "L2 BTB Correction",
		.topic = "branch",
	},
	.alias_str = "event=0x8b",
	.alias_long_desc = "L2 BTB Correction",
};

static const struct perf_pmu_test_event segment_reg_loads_any = {
	.event = {
		.pmu = "default_core",
		.name = "segment_reg_loads.any",
		.event = "event=6,period=200000,umask=0x80",
		.desc = "Number of segment register loads",
		.topic = "other",
	},
	.alias_str = "event=0x6,period=0x30d40,umask=0x80",
	.alias_long_desc = "Number of segment register loads",
};

static const struct perf_pmu_test_event dispatch_blocked_any = {
	.event = {
		.pmu = "default_core",
		.name = "dispatch_blocked.any",
		.event = "event=9,period=200000,umask=0x20",
		.desc = "Memory cluster signals to block micro-op dispatch for any reason",
		.topic = "other",
	},
	.alias_str = "event=0x9,period=0x30d40,umask=0x20",
	.alias_long_desc = "Memory cluster signals to block micro-op dispatch for any reason",
};

static const struct perf_pmu_test_event eist_trans = {
	.event = {
		.pmu = "default_core",
		.name = "eist_trans",
		.event = "event=0x3a,period=200000",
		.desc = "Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions",
		.topic = "other",
	},
	.alias_str = "event=0x3a,period=0x30d40",
	.alias_long_desc = "Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions",
};

static const struct perf_pmu_test_event l3_cache_rd = {
	.event = {
		.pmu = "default_core",
		.name = "l3_cache_rd",
		.event = "event=0x40",
		.desc = "L3 cache access, read",
		.long_desc = "Attributable Level 3 cache access, read",
		.topic = "cache",
	},
	.alias_str = "event=0x40",
	.alias_long_desc = "Attributable Level 3 cache access, read",
};

static const struct perf_pmu_test_event *core_events[] = {
	&bp_l1_btb_correct,
	&bp_l2_btb_correct,
	&segment_reg_loads_any,
	&dispatch_blocked_any,
	&eist_trans,
	&l3_cache_rd,
	NULL
};

static const struct perf_pmu_test_event uncore_hisi_ddrc_flux_wcmd = {
	.event = {
		.name = "uncore_hisi_ddrc.flux_wcmd",
		.event = "event=2",
		.desc = "DDRC write commands",
		.topic = "uncore",
		.long_desc = "DDRC write commands",
		.pmu = "hisi_sccl,ddrc",
	},
	.alias_str = "event=0x2",
	.alias_long_desc = "DDRC write commands",
	.matching_pmu = "hisi_sccl1_ddrc2",
};

static const struct perf_pmu_test_event unc_cbo_xsnp_response_miss_eviction = {
	.event = {
		.name = "unc_cbo_xsnp_response.miss_eviction",
		.event = "event=0x22,umask=0x81",
		.desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core",
		.topic = "uncore",
		.long_desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core",
		.pmu = "uncore_cbox",
	},
	.alias_str = "event=0x22,umask=0x81",
	.alias_long_desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core",
	.matching_pmu = "uncore_cbox_0",
};

static const struct perf_pmu_test_event uncore_hyphen = {
	.event = {
		.name = "event-hyphen",
		.event = "event=0xe0",
		.desc = "UNC_CBO_HYPHEN",
		.topic = "uncore",
		.long_desc = "UNC_CBO_HYPHEN",
		.pmu = "uncore_cbox",
	},
	.alias_str = "event=0xe0",
	.alias_long_desc = "UNC_CBO_HYPHEN",
	.matching_pmu = <