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

/* SPDX-License-Identifier: GPL-2.0 */
/* THIS FILE WAS AUTOGENERATED BY jevents.py arch=none model=none ! */

#include <pmu-events/pmu-events.h>
#include "util/header.h"
#include "util/pmu.h"
#include <string.h>
#include <stddef.h>

struct compact_pmu_event {
        int offset;
};

struct pmu_table_entry {
        const struct compact_pmu_event *entries;
        uint32_t num_entries;
        struct compact_pmu_event pmu_name;
};

static const char *const big_c_string =
/* offset=0 */ "default_core\000"
/* offset=13 */ "bp_l1_btb_correct\000branch\000L1 BTB Correction\000event=0x8a\000\00000\000\000"
/* offset=72 */ "bp_l2_btb_correct\000branch\000L2 BTB Correction\000event=0x8b\000\00000\000\000"
/* offset=131 */ "l3_cache_rd\000cache\000L3 cache access, read\000event=0x40\000\00000\000Attributable Level 3 cache access, read\000"
/* offset=226 */ "segment_reg_loads.any\000other\000Number of segment register loads\000event=6,period=200000,umask=0x80\000\00000\000\000"
/* offset=325 */ "dispatch_blocked.any\000other\000Memory cluster signals to block micro-op dispatch for any reason\000event=9,period=200000,umask=0x20\000\00000\000\000"
/* offset=455 */ "eist_trans\000other\000Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions\000event=0x3a,period=200000\000\00000\000\000"
/* offset=570 */ "hisi_sccl,ddrc\000"
/* offset=585 */ "uncore_hisi_ddrc.flux_wcmd\000uncore\000DDRC write commands\000event=2\000\00000\000DDRC write commands\000"
/* offset=671 */ "uncore_cbox\000"
/* offset=683 */ "unc_cbo_xsnp_response.miss_eviction\000uncore\000A cross-core snoop resulted from L3 Eviction which misses in some processor core\000event=0x22,umask=0x81\000\00000\000A cross-core snoop resulted from L3 Eviction which misses in some processor core\000"
/* offset=914 */ "event-hyphen\000uncore\000UNC_CBO_HYPHEN\000event=0xe0\000\00000\000UNC_CBO_HYPHEN\000"
/* offset=979 */ "event-two-hyph\000uncore\000UNC_CBO_TWO_HYPH\000event=0xc0\000\00000\000UNC_CBO_TWO_HYPH\000"
/* offset=1050 */ "hisi_sccl,l3c\000"
/* offset=1064 */ "uncore_hisi_l3c.rd_hit_cpipe\000uncore\000Total read hits\000event=7\000\00000\000Total read hits\000"
/* offset=1144 */ "uncore_imc_free_running\000"
/* offset=1168 */ "uncore_imc_free_running.cache_miss\000uncore\000Total cache misses\000event=0x12\000\00000\000Total cache misses\000"
/* offset=1263 */ "uncore_imc\000"
/* offset=1274 */ "uncore_imc.cache_hits\000uncore\000Total cache hits\000event=0x34\000\00000\000Total cache hits\000"
/* offset=1352 */ "uncore_sys_ddr_pmu\000"
/* offset=1371 */ "sys_ddr_pmu.write_cycles\000uncore\000ddr write-cycles event\000event=0x2b\000v8\00000\000\000"
/* offset=1444 */ "uncore_sys_ccn_pmu\000"
/* offset=1463 */ "sys_ccn_pmu.read_cycles\000uncore\000ccn read-cycles event\000config=0x2c\0000x01\00000\000\000"
/* offset=1537 */ "uncore_sys_cmn_pmu\000"
/* offset=1556 */ "sys_cmn_pmu.hnf_cache_miss\000uncore\000Counts total cache misses in first lookup result (high priority)\000eventid=1,type=5\000(434|436|43c|43a).*\00000\000\000"
/* offset=1696 */ "CPI\000\0001 / IPC\000\000\000\000\000\000\000\00000"
/* offset=1718 */ "IPC\000group1\000inst_retired.any / cpu_clk_unhalted.thread\000\000\000\000\000\000\000\00000"
/* offset=1781 */ "Frontend_Bound_SMT\000\000idq_uops_not_delivered.core / (4 * (cpu_clk_unhalted.thread / 2 * (1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk)))\000\000\000\000\000\000\000\00000"
/* offset=1947 */ "dcache_miss_cpi\000\000l1d\\-loads\\-misses / inst_retired.any\000\000\000\000\000\000\000\00000"
/* offset=2011 */ "icache_miss_cycles\000\000l1i\\-loads\\-misses / inst_retired.any\000\000\000\000\000\000\000\00000"
/* offset=2078 */ "cache_miss_cycles\000group1\000dcache_miss_cpi + icache_miss_cycles\000\000\000\000\000\000\000\00000"
/* offset=2149 */ "DCache_L2_All_Hits\000\000l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit\000\000\000\000\000\000\000\00000"
/* offset=2243 */ "DCache_L2_All_Miss\000\000max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + l2_rqsts.pf_miss + l2_rqsts.rfo_miss\000\000\000\000\000\000\000\00000"
/* offset=2377 */ "DCache_L2_All\000\000DCache_L2_All_Hits + DCache_L2_All_Miss\000\000\000\000\000\000\000\00000"
/* offset=2441 */ "DCache_L2_Hits\000\000d_ratio(DCache_L2_All_Hits, DCache_L2_All)\000\000\000\000\000\000\000\00000"
/* offset=2509 */ "DCache_L2_Misses\000\000d_ratio(DCache_L2_All_Miss, DCache_L2_All)\000\000\000\000\000\000\000\00000"
/* offset=2579 */ "M1\000\000ipc + M2\000\000\000\000\000\000\000\00000"
/* offset=2601 */ "M2\000\000ipc + M1\000\000\000\000\000\000\000\00000"
/* offset=2623 */ "M3\000\0001 / M3\000\000\000\000\000\000\000\00000"
/* offset=2643 */ "L1D_Cache_Fill_BW\000\00064 * l1d.replacement / 1e9 / duration_time\000\000\000\000\000\000\000\00000"
;

static const struct compact_pmu_event pmu_events__test_soc_cpu_default_core[] = {
{ 13 }, /* bp_l1_btb_correct\000branch\000L1 BTB Correction\000event=0x8a\000\00000\000\000 */
{ 72 }, /* bp_l2_btb_correct\000branch\000L2 BTB Correction\000event=0x8b\000\00000\000\000 */
{ 325 }, /* dispatch_blocked.any\000other\000Memory cluster signals to block micro-op dispatch for any reason\000event=9,period=200000,umask=0x20\000\00000\000\000 */
{ 455 }, /* eist_trans\000other\000Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions\000event=0x3a,period=200000\000\00000\000\000 */
{ 131 }, /* l3_cache_rd\000cache\000L3 cache access, read\000event=0x40\000\00000\000Attributable Level 3 cache access, read\000 */
{ 226 }, /* segment_reg_loads.any\000other\000Number of segment register loads\000event=6,period=200000,umask=0x80\000\00000\000\000 */
};
static const struct compact_pmu_event pmu_events__test_soc_cpu_hisi_sccl_ddrc[] = {
{ 585 }, /* uncore_hisi_ddrc.flux_wcmd\000uncore\000DDRC write commands\000event=2\000\00000\000DDRC write commands\000 */
};
static const struct compact_pmu_event pmu_events__test_soc_cpu_hisi_sccl_l3c[] = {
{ 1064 }, /* uncore_hisi_l3c.rd_hit_cpipe\000uncore\000Total read hits\000event=7\000\00000\000Total read hits\000 */
};
static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_cbox[] = {
{ 914 }, /* event-hyphen\000uncore\000UNC_CBO_HYPHEN\000event=0xe0\000\00000\000UNC_CBO_HYPHEN\000 */
{ 979 }, /* event-two-hyph\000uncore\000UNC_CBO_TWO_HYPH\000event=0xc0\000\00000\000UNC_CBO_TWO_HYPH\000 */
{ 683 }, /* unc_cbo_xsnp_response.miss_eviction\000uncore\000A cross-core snoop resulted from L3 Eviction which misses in some processor core\000event=0x22,umask=0x81\000\00000\000A cross-core snoop resulted from L3 Eviction which misses in some processor core\000 */
};
static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_imc[] = {
{ 1274 }, /* uncore_imc.cache_hits\000uncore\000Total cache hits\000event=0x34\000\00000\000Total cache hits\000 */
};
static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_imc_free_running[] = {
{ 1168 }, /* uncore_imc_free_running.cache_miss\000uncore\000Total cache misses\000event=0x12\000\00000\000Total cache misses\000 */

};

const struct pmu_table_entry pmu_events__test_soc_cpu[] = {
{
     .entries = pmu_events__test_soc_cpu_default_core,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_default_core),
     .pmu_name = { 0 /* default_core\000 */ },
},
{
     .entries = pmu_events__test_soc_cpu_hisi_sccl_ddrc,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_hisi_sccl_ddrc),
     .pmu_name = { 570 /* hisi_sccl,ddrc\000 */ },
},
{
     .entries = pmu_events__test_soc_cpu_hisi_sccl_l3c,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_hisi_sccl_l3c),
     .pmu_name = { 1050 /* hisi_sccl,l3c\000 */ },
},
{
     .entries = pmu_events__test_soc_cpu_uncore_cbox,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_cbox),
     .pmu_name = { 671 /* uncore_cbox\000 */ },
},
{
     .entries = pmu_events__test_soc_cpu_uncore_imc,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_imc),
     .pmu_name = { 1263 /* uncore_imc\000 */ },
},
{
     .entries = pmu_events__test_soc_cpu_uncore_imc_free_running,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_imc_free_running),
     .pmu_name = { 1144 /* uncore_imc_free_running\000 */ },
},
};

static const struct compact_pmu_event pmu_metrics__test_soc_cpu_default_core[] = {
{ 1696 }, /* CPI\000\0001 / IPC\000\000\000\000\000\000\000\00000 */
{ 2377 }, /* DCache_L2_All\000\000DCache_L2_All_Hits + DCache_L2_All_Miss\000\000\000\000\000\000\000\00000 */
{ 2149 }, /* DCache_L2_All_Hits\000\000l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit\000\000\000\000\000\000\000\00000 */
{ 2243 }, /* DCache_L2_All_Miss\000\000max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + l2_rqsts.pf_miss + l2_rqsts.rfo_miss\000\000\000\000\000\000\000\00000 */
{ 2441 }, /* DCache_L2_Hits\000\000d_ratio(DCache_L2_All_Hits, DCache_L2_All)\000\000\000\000\000\000\000\00000 */
{ 2509 }, /* DCache_L2_Misses\000\000d_ratio(DCache_L2_All_Miss, DCache_L2_All)\000\000\000\000\000\000\000\00000 */
{ 1781 }, /* Frontend_Bound_SMT\000\000idq_uops_not_delivered.core / (4 * (cpu_clk_unhalted.thread / 2 * (1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk)))\000\000\000\000\000\000\000\00000 */
{ 1718 }, /* IPC\000group1\000inst_retired.any / cpu_clk_unhalted.thread\000\000\000\000\000\000\000\00000 */
{ 2643 }, /* L1D_Cache_Fill_BW\000\00064 * l1d.replacement / 1e9 / duration_time\000\000\000\000\000\000\000\00000 */
{ 2579 }, /* M1\000\000ipc + M2\000\000\000\000\000\000\000\00000 */
{ 2601 }, /* M2\000\000ipc + M1\000\000\000\000\000\000\000\00000 */
{ 2623 }, /* M3\000\0001 / M3\000\000\000\000\000\000\000\00000 */
{ 2078 }, /* cache_miss_cycles\000group1\000dcache_miss_cpi + icache_miss_cycles\000\000\000\000\000\000\000\00000 */
{ 1947 }, /* dcache_miss_cpi\000\000l1d\\-loads\\-misses / inst_retired.any\000\000\000\000\000\000\000\00000 */
{ 2011 }, /* icache_miss_cycles\000\000l1i\\-loads\\-misses / inst_retired.any\000\000\000\000\000\000\000\00000 */

};

const struct pmu_table_entry pmu_metrics__test_soc_cpu[] = {
{
     .entries = pmu_metrics__test_soc_cpu_default_core,
     .num_entries = ARRAY_SIZE(pmu_metrics__test_soc_cpu_default_core),
     .pmu_name = { 0 /* default_core\000 */ },
},
};

static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_ccn_pmu[] = {
{ 1463 }, /* sys_ccn_pmu.read_cycles\000uncore\000ccn read-cycles event\000config=0x2c\0000x01\00000\000\000 */
};
static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_cmn_pmu[] = {
{ 1556 }, /* sys_cmn_pmu.hnf_cache_miss\000uncore\000Counts total cache misses in first lookup result (high priority)\000eventid=1,type=5\000(434|436|43c|43a).*\00000\000\000 */
};
static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_ddr_pmu[] = {
{ 1371 }, /* sys_ddr_pmu.write_cycles\000uncore\000ddr write-cycles event\000event=0x2b\000v8\00000\000\000 */

};

const struct pmu_table_entry pmu_events__test_soc_sys[] = {
{
     .entries = pmu_events__test_soc_sys_uncore_sys_ccn_pmu,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_ccn_pmu),
     .pmu_name = { 1444 /* uncore_sys_ccn_pmu\000 */ },
},
{
     .entries = pmu_events__test_soc_sys_uncore_sys_cmn_pmu,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_cmn_pmu),
     .pmu_name = { 1537 /* uncore_sys_cmn_pmu\000 */ },
},
{
     .entries = pmu_events__test_soc_sys_uncore_sys_ddr_pmu,
     .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_ddr_pmu),
     .pmu_name = { 1352 /* uncore_sys_ddr_pmu\000 */ },
},
};


/* Struct used to make the PMU event table implementation opaque to callers. */
struct pmu_events_table {
        const struct pmu_table_entry *pmus;
        uint32_t num_pmus;
};

/* Struct used to make the PMU metric table implementation opaque to callers. */
struct pmu_metrics_table {
        const struct pmu_table_entry *pmus;
        uint32_t num_pmus;
};

/*
 * Map a CPU to its table of PMU events. The CPU is identified by the
 * cpuid field, which is an arch-specific identifier for the CPU.
 * The identifier specified in tools/perf/pmu-events/arch/xxx/mapfile
 * must match the get_cpuid_str() in tools/perf/arch/xxx/util/header.c)
 *
 * The  cpuid can contain any character other than the comma.
 */
struct pmu_events_map {
        const char *arch;
        const char *cpuid;
        struct pmu_events_table event_table;
        struct pmu_metrics_table metric_table;
};

/*
 * Global table mapping each known CPU for the architecture to its
 * table of PMU events.
 */
const struct pmu_events_map pmu_events_map[] = {
{
	.arch = "testarch",
	.cpuid = "testcpu",
	.event_table = {
		.pmus = pmu_events__test_soc_cpu,
		.num_pmus = ARRAY_SIZE(pmu_events__test_soc_cpu),
	},
	.metric_table = {
		.pmus = pmu_metrics__test_soc_cpu,
		.num_pmus = ARRAY_SIZE(pmu_metrics__test_soc_cpu),
	}
},
{
	.arch = 0,
	.cpuid = 0,
	.event_table = { 0, 0 },
	.metric_table = { 0, 0 },
}
};

struct pmu_sys_events {
	const char *name;
	struct pmu_events_table event_table;
	struct pmu_metrics_table metric_table;
};

static const struct pmu_sys_events pmu_sys_event_tables[] = {
	{
		.event_table = {
			.pmus = pmu_events__test_soc_sys,
			.num_pmus = ARRAY_SIZE(pmu_events__test_soc_sys)
		},
		.name = "pmu_events__test_soc_sys",
	},
	{
		.event_table = { 0, 0 },
		.metric_table = { 0, 0 },
	},
};

static void decompress_event(int offset, struct pmu_event *pe)
{
	const char *p = &big_c_string[offset];

	pe->name = (*p == '\0' ? NULL : p);
	while (*p++);
	pe->topic = (*p == '\0' ? NULL : p);
	while (*p++);
	pe->desc = (*p == '\0' ? NULL : p);
	while (*p++);
	pe->event = (*p == '\0' ? NULL : p);
	while (*p++);
	pe->compat = (*p == '\0' ? NULL : p);
	while (*p++);
	pe->deprecated = *p - '0';
	p++;
	pe->perpkg = *p - '0';
	p++;
	pe->unit = (*p == '\0' ? NULL : p);
	while (*p++);
	pe->long_desc = (*p == '\0' ? NULL : p);
}

static void decompress_metric(int offset, struct pmu_metric *pm)
{
	const char *p = &big_c_string[offset];

	pm->metric_name = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->metric_group = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->metric_expr = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->metric_threshold = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->desc = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->long_desc = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->unit = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->compat = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->metricgroup_no_group = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->default_metricgroup_name = (*p == '\0' ? NULL : p);
	while (*p++);
	pm->aggr_mode = *p - '0';
	p++;
	pm->event_grouping = *p - '0';
}

static int pmu_events_table__for_each_event_pmu(const struct pmu_events_table *table,
                                                const struct pmu_table_entry *pmu,
                                                pmu_event_iter_fn fn,
                                                void *data)
{
        int ret;
        struct pmu_event pe = {
                .pmu = &big_c_string[pmu->pmu_name.offset],
        };

        for (uint32_t i = 0; i < pmu->num_entries; i++) {
                decompress_event(pmu->entries[i].offset, &pe);
                if (!pe.name)
                        continue;
                ret = fn(&pe, table, data);
                if (ret)
                        return ret;
        }
        return 0;
 }

static int pmu_events_table__find_event_pmu(const struct pmu_events_table *table,
                                            const struct pmu_table_entry *pmu,
                                            const char *name,
                                            pmu_event_iter_fn fn,
                                            void *data)
{
        struct pmu_event pe = {
                .pmu = &big_c_string[pmu->pmu_name.offset],
        };
        int low = 0, high = pmu->num_entries - 1;

        while (low <= high) {
                int cmp, mid = (low + high) / 2;

                decompress_event(pmu->entries[mid].offset, &pe);

                if (!pe.name && !name)
                        goto do_call;

                if (!pe.name && name) {
                        low = mid + 1;
                        continue;
                }
                if (pe.name && !name) {
                        high = mid - 1;
                        continue;
                }

                cmp = strcasecmp(pe.name, name);
                if (cmp < 0) {
                        low = mid + 1;
                        continue;
                }
                if (cmp > 0) {
                        high = mid - 1;
                        continue;
                }
  do_call:
                return fn ? fn(&pe, table, data) : 0;
        }
        return PMU_EVENTS__NOT_FOUND;
}

int pmu_events_table__for_each_event(const struct pmu_events_table *table,
                                    struct perf_pmu *pmu,
                                    pmu_event_iter_fn fn,
                                    void *data)
{
        for (size_t i = 0; i < table->num_pmus; i++) {
                const struct pmu_table_entry *table_pmu = &table->pmus[i];
                const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
                int ret;

                if (pmu && !pmu__name_match(pmu, pmu_name))
                        continue;

                ret = pmu_events_table__for_each_event_pmu(table, table_pmu, fn, data);
                if (pmu || ret)
                        return ret;
        }
        return 0;
}

int pmu_events_table__find_event(const struct pmu_events_table *table,
                                 struct perf_pmu *pmu,
                                 const char *name,
                                 pmu_event_iter_fn fn,
                                 void *data)
{
        for (size_t i = 0; i < table->num_pmus; i++) {
                const struct pmu_table_entry *table_pmu = &table->pmus[i];
                const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
                int ret;

                if (!pmu__name_match(pmu, pmu_name))
                        continue;

                ret = pmu_events_table__find_event_pmu(table, table_pmu, name, fn, data);
                if (ret != PMU_EVENTS__NOT_FOUND)
                        return ret;
        }
        return PMU_EVENTS__NOT_FOUND;
}

size_t pmu_events_table__num_events(const struct pmu_events_table *table,
                                    struct perf_pmu *pmu)
{
        size_t count = 0;

        for (size_t i = 0; i < table->num_pmus; i++) {
                const struct pmu_table_entry *table_pmu = &table->pmus[i];
                const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];

                if (pmu__name_match(pmu, pmu_name))
                        count += table_pmu->num_entries;
        }
        return count;
}

static int pmu_metrics_table__for_each_metric_pmu(const struct pmu_metrics_table *table,
                                                const struct pmu_table_entry *pmu,
                                                pmu_metric_iter_fn fn,
                                                void *data)
{
        int ret;
        struct pmu_metric pm = {
                .pmu = &big_c_string[pmu->pmu_name.offset],
        };

        for (uint32_t i = 0; i < pmu->num_entries; i++) {
                decompress_metric(pmu->entries[i].offset, &pm);
                if (!pm.metric_expr)
                        continue;
                ret = fn(&pm, table, data);
                if (ret)
                        return ret;
        }
        return 0;
}

int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table,
                                     pmu_metric_iter_fn fn,
                                     void *data)
{
        for (size_t i = 0; i < table->num_pmus; i++) {
                int ret = pmu_metrics_table__for_each_metric_pmu(table, &table->pmus[i],
                                                                 fn, data);

                if (ret)
                        return ret;
        }
        return 0;
}

static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
{
        static struct {
                const struct pmu_events_map *map;
                struct perf_pmu *pmu;
        } last_result;
        static struct {
                const struct pmu_events_map *map;
                char *cpuid;
        } last_map_search;
        static bool has_last_result, has_last_map_search;
        const struct pmu_events_map *map = NULL;
        char *cpuid = NULL;
        size_t i;

        if (has_last_result && last_result.pmu == pmu)
                return last_result.map;

        cpuid = perf_pmu__getcpuid(pmu);

        /*
         * On some platforms which uses cpus map, cpuid can be NULL for
         * PMUs other than CORE PMUs.
         */
        if (!cpuid)
                goto out_update_last_result;

        if (has_last_map_search && !strcmp(last_map_search.cpuid, cpuid)) {
                map = last_map_search.map;
                free(cpuid);
        } else {
                i = 0;
                for (;;) {
                        map = &pmu_events_map[i++];

                        if (!map->arch) {
                                map = NULL;
                                break;
                        }

                        if (!strcmp_cpuid_str(map->cpuid, cpuid))
                                break;
               }
               free(last_map_search.cpuid);
               last_map_search.cpuid = cpuid;
               last_map_search.map = map;
               has_last_map_search = true;
        }
out_update_last_result:
        last_result.pmu = pmu;
        last_result.map = map;
        has_last_result = true;
        return map;
}

const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu)
{
        const struct pmu_events_map *map = map_for_pmu(pmu);

        if (!map)
                return NULL;

        if (!pmu)
                return &map->event_table;

        for (size_t i = 0; i < map->event_table.num_pmus; i++) {
                const struct pmu_table_entry *table_pmu = &map->event_table.pmus[i];
                const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];

                if (pmu__name_match(pmu, pmu_name))
                         return &map->event_table;
        }
        return NULL;
}

const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu)
{
        const struct pmu_events_map *map = map_for_pmu(pmu);

        if (!map)
                return NULL;

        if (!pmu)
                return &map->metric_table;

        for (size_t i = 0; i < map->metric_table.num_pmus; i++) {
                const struct pmu_table_entry *table_pmu = &map->metric_table.pmus[i];
                const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];

                if (pmu__name_match(pmu, pmu_name))
                           return &map->metric_table;
        }
        return NULL;
}

const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
{
        for (const struct pmu_events_map *tables = &pmu_events_map[0];
             tables->arch;
             tables++) {
                if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
                        return &tables->event_table;
        }
        return NULL;
}

const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const char *cpuid)
{
        for (const struct pmu_events_map *tables = &pmu_events_map[0];
             tables->arch;
             tables++) {
                if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
                        return &tables->metric_table;
        }
        return NULL;
}

int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
{
        for (const struct pmu_events_map *tables = &pmu_events_map[0];
             tables->arch;
             tables++) {
                int ret = pmu_events_table__for_each_event(&tables->event_table,
                                                           /*pmu=*/ NULL, fn, data);

                if (ret)
                        return ret;
        }
        return 0;
}

int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data)
{
        for (const struct pmu_events_map *tables = &pmu_events_map[0];
             tables->arch;
             tables++) {
                int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);

                if (ret)
                        return ret;
        }
        return 0;
}

const struct pmu_events_table *find_sys_events_table(const char *name)
{
        for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
             tables->name;
             tables++) {
                if (!strcmp(tables->name, name))
                        return &tables->event_table;
        }
        return NULL;
}

int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data)
{
        for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
             tables->name;
             tables++) {
                int ret = pmu_events_table__for_each_event(&tables->event_table,
                                                           /*pmu=*/ NULL, fn, data);

                if (ret)
                        return ret;
        }
        return 0;
}

int pmu_for_each_sys_metric(pmu_metric_iter_fn fn, void *data)
{
        for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
             tables->name;
             tables++) {
                int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);

                if (ret)
                        return ret;
        }
        return 0;
}

static const int metricgroups[][2] = {

};

const char *describe_metricgroup(const char *group)
{
        int low = 0, high = (int)ARRAY_SIZE(metricgroups) - 1;

        while (low <= high) {
                int mid = (low + high) / 2;
                const char *mgroup = &big_c_string[metricgroups[mid][0]];
                int cmp = strcmp(mgroup, group);

                if (cmp == 0) {
                        return &big_c_string[metricgroups[mid][1]];
                } else if (cmp < 0) {
                        low = mid + 1;
                } else {
                        high = mid - 1;
                }
        }
        return NULL;
}