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tools lib api fs tracing_path: Introduce get/put_events_file() helpers

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To make reading events files a tad more compact than with
get_tracing_files("events/foo").

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-do6xgtwpmfl8zjs1euxsd2du@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2018-05-16 16:42:26 -03:00
parent 17c257e867
commit 40c3c0c9ac
3 changed files with 25 additions and 6 deletions
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15
tools/lib/api/fs/tracing_path.c
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@@ -86,6 +86,21 @@ void put_tracing_file(char *file)
free(file);
}
char *get_events_file(const char *name)
{
char *file;
if (asprintf(&file, "%s/events/%s", tracing_path_mount(), name) < 0)
return NULL;
return file;
}
void put_events_file(char *file)
{
free(file);
}
int tracing_path__strerror_open_tp(int err, char *buf, size_t size,
const char *sys, const char *name)
{