diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r-- | tools/perf/builtin-record.c | 49 |
1 files changed, 46 insertions, 3 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 0fb11d4eaeee..4c9aaa1f688a 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -855,6 +855,49 @@ static int parse_clockid(const struct option *opt, const char *str, int unset) return -1; } +static int record__parse_mmap_pages(const struct option *opt, + const char *str, + int unset __maybe_unused) +{ + struct record_opts *opts = opt->value; + char *s, *p; + unsigned int mmap_pages; + int ret; + + if (!str) + return -EINVAL; + + s = strdup(str); + if (!s) + return -ENOMEM; + + p = strchr(s, ','); + if (p) + *p = '\0'; + + if (*s) { + ret = __perf_evlist__parse_mmap_pages(&mmap_pages, s); + if (ret) + goto out_free; + opts->mmap_pages = mmap_pages; + } + + if (!p) { + ret = 0; + goto out_free; + } + + ret = __perf_evlist__parse_mmap_pages(&mmap_pages, p + 1); + if (ret) + goto out_free; + + opts->auxtrace_mmap_pages = mmap_pages; + +out_free: + free(s); + return ret; +} + static const char * const __record_usage[] = { "perf record [<options>] [<command>]", "perf record [<options>] -- <command> [<options>]", @@ -935,9 +978,9 @@ struct option __record_options[] = { &record.opts.no_inherit_set, "child tasks do not inherit counters"), OPT_UINTEGER('F', "freq", &record.opts.user_freq, "profile at this frequency"), - OPT_CALLBACK('m', "mmap-pages", &record.opts.mmap_pages, "pages", - "number of mmap data pages", - perf_evlist__parse_mmap_pages), + OPT_CALLBACK('m', "mmap-pages", &record.opts, "pages[,pages]", + "number of mmap data pages and AUX area tracing mmap pages", + record__parse_mmap_pages), OPT_BOOLEAN(0, "group", &record.opts.group, "put the counters into a counter group"), OPT_CALLBACK_NOOPT('g', NULL, &record.opts, |