diff options
Diffstat (limited to 'tools/perf/util/pmu.c')
| -rw-r--r-- | tools/perf/util/pmu.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 8b7c151579c0..57e38fdf0b34 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -12,6 +12,7 @@ #include <dirent.h> #include <api/fs/fs.h> #include <locale.h> +#include <regex.h> #include "util.h" #include "pmu.h" #include "parse-events.h" @@ -609,14 +610,31 @@ struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu) i = 0; for (;;) { + regex_t re; + regmatch_t pmatch[1]; + int match; + map = &pmu_events_map[i++]; if (!map->table) { map = NULL; break; } - if (!strcmp(map->cpuid, cpuid)) + if (regcomp(&re, map->cpuid, REG_EXTENDED) != 0) { + /* Warn unable to generate match particular string. */ + pr_info("Invalid regular expression %s\n", map->cpuid); break; + } + + match = !regexec(&re, cpuid, 1, pmatch, 0); + regfree(&re); + if (match) { + size_t match_len = (pmatch[0].rm_eo - pmatch[0].rm_so); + + /* Verify the entire string matched. */ + if (match_len == strlen(cpuid)) + break; + } } free(cpuid); return map; |