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-rw-r--r--tools/lib/api/fs/debugfs.c6
-rw-r--r--tools/lib/api/fs/debugfs.h2
-rw-r--r--tools/perf/builtin-trace.c5
3 files changed, 7 insertions, 6 deletions
diff --git a/tools/lib/api/fs/debugfs.c b/tools/lib/api/fs/debugfs.c
index fb700eed61c2..5e8f3913de43 100644
--- a/tools/lib/api/fs/debugfs.c
+++ b/tools/lib/api/fs/debugfs.c
@@ -100,7 +100,7 @@ out:
100 return debugfs_mountpoint; 100 return debugfs_mountpoint;
101} 101}
102 102
103int debugfs__strerror_open(int err, char *buf, size_t size) 103int debugfs__strerror_open(int err, char *buf, size_t size, const char *filename)
104{ 104{
105 char sbuf[128]; 105 char sbuf[128];
106 106
@@ -114,9 +114,9 @@ int debugfs__strerror_open(int err, char *buf, size_t size)
114 break; 114 break;
115 case EACCES: 115 case EACCES:
116 snprintf(buf, size, 116 snprintf(buf, size,
117 "Error:\tNo permissions to read %s/tracing/events/raw_syscalls\n" 117 "Error:\tNo permissions to read %s/%s\n"
118 "Hint:\tTry 'sudo mount -o remount,mode=755 %s'\n", 118 "Hint:\tTry 'sudo mount -o remount,mode=755 %s'\n",
119 debugfs_mountpoint, debugfs_mountpoint); 119 debugfs_mountpoint, filename, debugfs_mountpoint);
120 break; 120 break;
121 default: 121 default:
122 snprintf(buf, size, "%s", strerror_r(err, sbuf, sizeof(sbuf))); 122 snprintf(buf, size, "%s", strerror_r(err, sbuf, sizeof(sbuf)));
diff --git a/tools/lib/api/fs/debugfs.h b/tools/lib/api/fs/debugfs.h
index afa5043fec61..a1799aecd4d5 100644
--- a/tools/lib/api/fs/debugfs.h
+++ b/tools/lib/api/fs/debugfs.h
@@ -26,6 +26,6 @@ char *debugfs_mount(const char *mountpoint);
26 26
27extern char debugfs_mountpoint[]; 27extern char debugfs_mountpoint[];
28 28
29int debugfs__strerror_open(int err, char *buf, size_t size); 29int debugfs__strerror_open(int err, char *buf, size_t size, const char *filename);
30 30
31#endif /* __API_DEBUGFS_H__ */ 31#endif /* __API_DEBUGFS_H__ */
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 2f82dd78b086..684609d7a83d 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2056,7 +2056,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
2056 if (trace->trace_syscalls && 2056 if (trace->trace_syscalls &&
2057 perf_evlist__add_syscall_newtp(evlist, trace__sys_enter, 2057 perf_evlist__add_syscall_newtp(evlist, trace__sys_enter,
2058 trace__sys_exit)) 2058 trace__sys_exit))
2059 goto out_error_tp; 2059 goto out_error_raw_syscalls;
2060 2060
2061 if (trace->trace_syscalls) 2061 if (trace->trace_syscalls)
2062 perf_evlist__add_vfs_getname(evlist); 2062 perf_evlist__add_vfs_getname(evlist);
@@ -2210,7 +2210,8 @@ out:
2210 char errbuf[BUFSIZ]; 2210 char errbuf[BUFSIZ];
2211 2211
2212out_error_tp: 2212out_error_tp:
2213 debugfs__strerror_open(errno, errbuf, sizeof(errbuf)); 2213out_error_raw_syscalls:
2214 debugfs__strerror_open(errno, errbuf, sizeof(errbuf), "tracing/events/raw_syscalls");
2214 goto out_error; 2215 goto out_error;
2215 2216
2216out_error_mmap: 2217out_error_mmap: