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9f86d641ba
The sep is already checked being not NULL. The code seems to be a leftover from some refactoring. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200909055849.469612-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
128 lines
4.0 KiB
C
128 lines
4.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* builtin-list.c
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*
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* Builtin list command: list all event types
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*
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* Copyright (C) 2009, Thomas Gleixner <tglx@linutronix.de>
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* Copyright (C) 2008-2009, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
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* Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
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*/
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#include "builtin.h"
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#include "util/parse-events.h"
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#include "util/pmu.h"
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#include "util/debug.h"
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#include "util/metricgroup.h"
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#include <subcmd/pager.h>
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#include <subcmd/parse-options.h>
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#include <stdio.h>
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static bool desc_flag = true;
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static bool details_flag;
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int cmd_list(int argc, const char **argv)
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{
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int i;
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bool raw_dump = false;
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bool long_desc_flag = false;
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bool deprecated = false;
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struct option list_options[] = {
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OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
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OPT_BOOLEAN('d', "desc", &desc_flag,
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"Print extra event descriptions. --no-desc to not print."),
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OPT_BOOLEAN('v', "long-desc", &long_desc_flag,
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"Print longer event descriptions."),
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OPT_BOOLEAN(0, "details", &details_flag,
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"Print information on the perf event names and expressions used internally by events."),
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OPT_BOOLEAN(0, "deprecated", &deprecated,
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"Print deprecated events."),
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OPT_INCR(0, "debug", &verbose,
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"Enable debugging output"),
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OPT_END()
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};
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const char * const list_usage[] = {
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"perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob]",
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NULL
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};
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set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
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argc = parse_options(argc, argv, list_options, list_usage,
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PARSE_OPT_STOP_AT_NON_OPTION);
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setup_pager();
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if (!raw_dump && pager_in_use())
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printf("\nList of pre-defined events (to be used in -e):\n\n");
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if (argc == 0) {
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print_events(NULL, raw_dump, !desc_flag, long_desc_flag,
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details_flag, deprecated);
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return 0;
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}
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for (i = 0; i < argc; ++i) {
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char *sep, *s;
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if (strcmp(argv[i], "tracepoint") == 0)
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print_tracepoint_events(NULL, NULL, raw_dump);
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else if (strcmp(argv[i], "hw") == 0 ||
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strcmp(argv[i], "hardware") == 0)
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print_symbol_events(NULL, PERF_TYPE_HARDWARE,
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event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
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else if (strcmp(argv[i], "sw") == 0 ||
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strcmp(argv[i], "software") == 0) {
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print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
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event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
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print_tool_events(NULL, raw_dump);
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} else if (strcmp(argv[i], "cache") == 0 ||
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strcmp(argv[i], "hwcache") == 0)
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print_hwcache_events(NULL, raw_dump);
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else if (strcmp(argv[i], "pmu") == 0)
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print_pmu_events(NULL, raw_dump, !desc_flag,
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long_desc_flag, details_flag,
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deprecated);
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else if (strcmp(argv[i], "sdt") == 0)
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print_sdt_events(NULL, NULL, raw_dump);
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else if (strcmp(argv[i], "metric") == 0 || strcmp(argv[i], "metrics") == 0)
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metricgroup__print(true, false, NULL, raw_dump, details_flag);
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else if (strcmp(argv[i], "metricgroup") == 0 || strcmp(argv[i], "metricgroups") == 0)
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metricgroup__print(false, true, NULL, raw_dump, details_flag);
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else if ((sep = strchr(argv[i], ':')) != NULL) {
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int sep_idx;
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sep_idx = sep - argv[i];
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s = strdup(argv[i]);
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if (s == NULL)
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return -1;
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s[sep_idx] = '\0';
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print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
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print_sdt_events(s, s + sep_idx + 1, raw_dump);
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metricgroup__print(true, true, s, raw_dump, details_flag);
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free(s);
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} else {
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if (asprintf(&s, "*%s*", argv[i]) < 0) {
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printf("Critical: Not enough memory! Trying to continue...\n");
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continue;
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}
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print_symbol_events(s, PERF_TYPE_HARDWARE,
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event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
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print_symbol_events(s, PERF_TYPE_SOFTWARE,
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event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
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print_tool_events(s, raw_dump);
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print_hwcache_events(s, raw_dump);
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print_pmu_events(s, raw_dump, !desc_flag,
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long_desc_flag,
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details_flag,
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deprecated);
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print_tracepoint_events(NULL, s, raw_dump);
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print_sdt_events(NULL, s, raw_dump);
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metricgroup__print(true, true, s, raw_dump, details_flag);
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free(s);
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}
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}
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return 0;
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}
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