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author | Jiri Olsa <jolsa@kernel.org> | 2015-09-02 09:56:45 +0200 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-09-14 12:50:16 -0300 |
commit | fbf99625b88fd8808bf2b80efac453d63cae08e8 (patch) | |
tree | 28056508bafff7782fefb03bfaa0321cf43cfa53 /tools/perf/tests | |
parent | 60a1133a5b39738671eff1e4d77bedc1ee3fa528 (diff) | |
download | op-kernel-dev-fbf99625b88fd8808bf2b80efac453d63cae08e8.zip op-kernel-dev-fbf99625b88fd8808bf2b80efac453d63cae08e8.tar.gz |
perf tools: Switch to tracing_path interface on appropriate places
Using tracing_path interface on several places, that more or less
copy the functionality of tracing_path interface.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Raphael Beamonte <raphael.beamonte@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1441180605-24737-16-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests')
-rw-r--r-- | tools/perf/tests/openat-syscall-all-cpus.c | 9 | ||||
-rw-r--r-- | tools/perf/tests/openat-syscall.c | 11 | ||||
-rw-r--r-- | tools/perf/tests/parse-events.c | 16 |
3 files changed, 9 insertions, 27 deletions
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index a38adf9..495d812 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -15,6 +15,7 @@ int test__openat_syscall_event_on_all_cpus(void) cpu_set_t cpu_set; struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); char sbuf[STRERR_BUFSIZE]; + char errbuf[BUFSIZ]; if (threads == NULL) { pr_debug("thread_map__new\n"); @@ -31,12 +32,8 @@ int test__openat_syscall_event_on_all_cpus(void) evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); if (evsel == NULL) { - if (tracefs__configured()) - pr_debug("is tracefs mounted on /sys/kernel/tracing?\n"); - else if (debugfs__configured()) - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - else - pr_debug("Neither tracefs or debugfs is enabled in this kernel\n"); + tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "syscalls", "sys_enter_openat"); + pr_err("%s\n", errbuf); goto out_thread_map_delete; } diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c index 8048c7d..08ac9d9 100644 --- a/tools/perf/tests/openat-syscall.c +++ b/tools/perf/tests/openat-syscall.c @@ -1,4 +1,4 @@ -#include <api/fs/fs.h> +#include <api/fs/tracing_path.h> #include "thread_map.h" #include "evsel.h" #include "debug.h" @@ -11,6 +11,7 @@ int test__openat_syscall_event(void) unsigned int nr_openat_calls = 111, i; struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); char sbuf[STRERR_BUFSIZE]; + char errbuf[BUFSIZ]; if (threads == NULL) { pr_debug("thread_map__new\n"); @@ -19,12 +20,8 @@ int test__openat_syscall_event(void) evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); if (evsel == NULL) { - if (tracefs__configured()) - pr_debug("is tracefs mounted on /sys/kernel/tracing?\n"); - else if (debugfs__configured()) - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - else - pr_debug("Neither tracefs or debugfs is enabled in this kernel\n"); + tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "syscalls", "sys_enter_openat"); + pr_err("%s\n", errbuf); goto out_thread_map_delete; } diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 91fbfd5..3a2ebe6 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -1261,23 +1261,11 @@ test__checkevent_breakpoint_len_rw_modifier(struct perf_evlist *evlist) static int count_tracepoints(void) { - char events_path[PATH_MAX]; struct dirent *events_ent; - const char *mountpoint; DIR *events_dir; int cnt = 0; - mountpoint = tracefs__mountpoint(); - if (mountpoint) { - scnprintf(events_path, PATH_MAX, "%s/events", - mountpoint); - } else { - mountpoint = debugfs__mountpoint(); - scnprintf(events_path, PATH_MAX, "%s/tracing/events", - mountpoint); - } - - events_dir = opendir(events_path); + events_dir = opendir(tracing_events_path); TEST_ASSERT_VAL("Can't open events dir", events_dir); @@ -1294,7 +1282,7 @@ static int count_tracepoints(void) continue; scnprintf(sys_path, PATH_MAX, "%s/%s", - events_path, events_ent->d_name); + tracing_events_path, events_ent->d_name); sys_dir = opendir(sys_path); TEST_ASSERT_VAL("Can't open sys dir", sys_dir); |