diff options
Diffstat (limited to 'tools/lib/api/fs/tracing_path.c')
| -rw-r--r-- | tools/lib/api/fs/tracing_path.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/tools/lib/api/fs/tracing_path.c b/tools/lib/api/fs/tracing_path.c index 7ba3e81274e8..30745f35d0d2 100644 --- a/tools/lib/api/fs/tracing_path.c +++ b/tools/lib/api/fs/tracing_path.c @@ -13,17 +13,12 @@ #include "tracing_path.h" -static char tracing_mnt[PATH_MAX] = "/sys/kernel/debug"; static char tracing_path[PATH_MAX] = "/sys/kernel/tracing"; -static char tracing_events_path[PATH_MAX] = "/sys/kernel/tracing/events"; static void __tracing_path_set(const char *tracing, const char *mountpoint) { - snprintf(tracing_mnt, sizeof(tracing_mnt), "%s", mountpoint); snprintf(tracing_path, sizeof(tracing_path), "%s/%s", mountpoint, tracing); - snprintf(tracing_events_path, sizeof(tracing_events_path), "%s/%s%s", - mountpoint, tracing, "events"); } static const char *tracing_path_tracefs_mount(void) @@ -149,15 +144,15 @@ int tracing_path__strerror_open_tp(int err, char *buf, size_t size, /* sdt markers */ if (!strncmp(filename, "sdt_", 4)) { snprintf(buf, size, - "Error:\tFile %s/%s not found.\n" + "Error:\tFile %s/events/%s not found.\n" "Hint:\tSDT event cannot be directly recorded on.\n" "\tPlease first use 'perf probe %s:%s' before recording it.\n", - tracing_events_path, filename, sys, name); + tracing_path, filename, sys, name); } else { snprintf(buf, size, - "Error:\tFile %s/%s not found.\n" + "Error:\tFile %s/events/%s not found.\n" "Hint:\tPerhaps this kernel misses some CONFIG_ setting to enable this feature?.\n", - tracing_events_path, filename); + tracing_path, filename); } break; } @@ -169,9 +164,9 @@ int tracing_path__strerror_open_tp(int err, char *buf, size_t size, break; case EACCES: { snprintf(buf, size, - "Error:\tNo permissions to read %s/%s\n" + "Error:\tNo permissions to read %s/events/%s\n" "Hint:\tTry 'sudo mount -o remount,mode=755 %s'\n", - tracing_events_path, filename, tracing_path_mount()); + tracing_path, filename, tracing_path_mount()); } break; default: |