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-rw-r--r--tools/perf/builtin-trace.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 5fa1820cc969..8f113dab8bf1 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -9,15 +9,20 @@
9 9
10static struct syscall_fmt { 10static struct syscall_fmt {
11 const char *name; 11 const char *name;
12 const char *alias;
12 bool errmsg; 13 bool errmsg;
13 bool timeout; 14 bool timeout;
14} syscall_fmts[] = { 15} syscall_fmts[] = {
15 { .name = "futex", .errmsg = true, }, 16 { .name = "arch_prctl", .errmsg = true, .alias = "prctl", },
16 { .name = "poll", .errmsg = true, .timeout = true, }, 17 { .name = "fstat", .errmsg = true, .alias = "newfstat", },
17 { .name = "ppoll", .errmsg = true, .timeout = true, }, 18 { .name = "fstatat", .errmsg = true, .alias = "newfstatat", },
18 { .name = "read", .errmsg = true, }, 19 { .name = "futex", .errmsg = true, },
19 { .name = "recvfrom", .errmsg = true, }, 20 { .name = "poll", .errmsg = true, .timeout = true, },
20 { .name = "select", .errmsg = true, .timeout = true, }, 21 { .name = "ppoll", .errmsg = true, .timeout = true, },
22 { .name = "read", .errmsg = true, },
23 { .name = "recvfrom", .errmsg = true, },
24 { .name = "select", .errmsg = true, .timeout = true, },
25 { .name = "stat", .errmsg = true, .alias = "newstat", },
21}; 26};
22 27
23static int syscall_fmt__cmp(const void *name, const void *fmtp) 28static int syscall_fmt__cmp(const void *name, const void *fmtp)
@@ -74,10 +79,15 @@ static int trace__read_syscall_info(struct trace *trace, int id)
74 if (sc->name == NULL) 79 if (sc->name == NULL)
75 return -1; 80 return -1;
76 81
77 snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); 82 sc->fmt = syscall_fmt__find(sc->name);
78 83
84 snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name);
79 sc->tp_format = event_format__new("syscalls", tp_name); 85 sc->tp_format = event_format__new("syscalls", tp_name);
80 sc->fmt = syscall_fmt__find(sc->name); 86
87 if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) {
88 snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias);
89 sc->tp_format = event_format__new("syscalls", tp_name);
90 }
81 91
82 return sc->tp_format != NULL ? 0 : -1; 92 return sc->tp_format != NULL ? 0 : -1;
83} 93}