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bpftool: Add perf event names

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Add new functions and macros to get perf event names. These names except
the perf_type_name are all copied from
tool/perf/util/{parse-events,evsel}.c, so that in the future we will
have a good chance to use the same code.

Suggested-by: Jiri Olsa <olsajiri@gmail.com>
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230709025630.3735-10-laoar.shao@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yafang Shao 2023-07-09 02:56:29 +00:00 committed by Alexei Starovoitov
parent 1b715e1b0e
commit 62b57e3ddd
1 changed files with 67 additions and 0 deletions
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67
tools/bpf/bpftool/link.c
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@ -5,6 +5,7 @@
#include <linux/err.h>
#include <linux/netfilter.h>
#include <linux/netfilter_arp.h>
#include <linux/perf_event.h>
#include <net/if.h>
#include <stdio.h>
#include <unistd.h>
@ -19,6 +20,72 @@
static struct hashmap *link_table;
static struct dump_data dd;
static const char *perf_type_name[PERF_TYPE_MAX] = {
[PERF_TYPE_HARDWARE] = "hardware",
[PERF_TYPE_SOFTWARE] = "software",
[PERF_TYPE_TRACEPOINT] = "tracepoint",
[PERF_TYPE_HW_CACHE] = "hw-cache",
[PERF_TYPE_RAW] = "raw",
[PERF_TYPE_BREAKPOINT] = "breakpoint",
};
const char *event_symbols_hw[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = "cpu-cycles",
[PERF_COUNT_HW_INSTRUCTIONS] = "instructions",
[PERF_COUNT_HW_CACHE_REFERENCES] = "cache-references",
[PERF_COUNT_HW_CACHE_MISSES] = "cache-misses",
[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = "branch-instructions",
[PERF_COUNT_HW_BRANCH_MISSES] = "branch-misses",
[PERF_COUNT_HW_BUS_CYCLES] = "bus-cycles",
[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = "stalled-cycles-frontend",
[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = "stalled-cycles-backend",
[PERF_COUNT_HW_REF_CPU_CYCLES] = "ref-cycles",
};
const char *event_symbols_sw[PERF_COUNT_SW_MAX] = {
[PERF_COUNT_SW_CPU_CLOCK] = "cpu-clock",
[PERF_COUNT_SW_TASK_CLOCK] = "task-clock",
[PERF_COUNT_SW_PAGE_FAULTS] = "page-faults",
[PERF_COUNT_SW_CONTEXT_SWITCHES] = "context-switches",
[PERF_COUNT_SW_CPU_MIGRATIONS] = "cpu-migrations",
[PERF_COUNT_SW_PAGE_FAULTS_MIN] = "minor-faults",
[PERF_COUNT_SW_PAGE_FAULTS_MAJ] = "major-faults",
[PERF_COUNT_SW_ALIGNMENT_FAULTS] = "alignment-faults",
[PERF_COUNT_SW_EMULATION_FAULTS] = "emulation-faults",
[PERF_COUNT_SW_DUMMY] = "dummy",
[PERF_COUNT_SW_BPF_OUTPUT] = "bpf-output",
[PERF_COUNT_SW_CGROUP_SWITCHES] = "cgroup-switches",
};
const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] = {
[PERF_COUNT_HW_CACHE_L1D] = "L1-dcache",
[PERF_COUNT_HW_CACHE_L1I] = "L1-icache",
[PERF_COUNT_HW_CACHE_LL] = "LLC",
[PERF_COUNT_HW_CACHE_DTLB] = "dTLB",
[PERF_COUNT_HW_CACHE_ITLB] = "iTLB",
[PERF_COUNT_HW_CACHE_BPU] = "branch",
[PERF_COUNT_HW_CACHE_NODE] = "node",
};
const char *evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] = {
[PERF_COUNT_HW_CACHE_OP_READ] = "load",
[PERF_COUNT_HW_CACHE_OP_WRITE] = "store",
[PERF_COUNT_HW_CACHE_OP_PREFETCH] = "prefetch",
};
const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] = {
[PERF_COUNT_HW_CACHE_RESULT_ACCESS] = "refs",
[PERF_COUNT_HW_CACHE_RESULT_MISS] = "misses",
};
#define perf_event_name(array, id) ({ \
const char *event_str = NULL; \
\
if ((id) >= 0 && (id) < ARRAY_SIZE(array)) \
event_str = array[id]; \
event_str; \
})
static int link_parse_fd(int *argc, char ***argv)
{
int fd;