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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-07-14 20:16:54 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-07-19 04:14:02 +0200
commit7ee5743404e3641f3c11792761632a5a7d583587 (patch)
tree3142a2db599c0c81b61430e157d171694f55247e /tools/perf/trace
parentperf trace beauty fcntl: Beautify F_[GS]ETFD arg/return value (diff)
downloadlinux-7ee5743404e3641f3c11792761632a5a7d583587.tar.xz
linux-7ee5743404e3641f3c11792761632a5a7d583587.zip
perf trace beauty: Give syscall return beautifier more context
We need the current thread and the trace internal state so that we can use the fd beautifier to augment syscall returns, so use struct syscall_arg with some fields that make sense on returns (val, thread, trace). 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: http://lkml.kernel.org/n/tip-lqag8e86ybidrh5zpqne05ov@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/trace')
-rw-r--r--tools/perf/trace/beauty/beauty.h5
-rw-r--r--tools/perf/trace/beauty/fcntl.c9
-rw-r--r--tools/perf/trace/beauty/open_flags.c5
3 files changed, 12 insertions, 7 deletions
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index a9613d2e6cfe..b64c4116cdc4 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -46,6 +46,9 @@ size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_ar
size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg
+size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags
+
size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags
@@ -55,6 +58,6 @@ size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_a
size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size);
void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg,
- size_t (*ret_scnprintf)(unsigned long val, char *bf, size_t size));
+ size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg));
#endif /* _PERF_TRACE_BEAUTY_H */
diff --git a/tools/perf/trace/beauty/fcntl.c b/tools/perf/trace/beauty/fcntl.c
index 384f177a4304..9de80a7eddfa 100644
--- a/tools/perf/trace/beauty/fcntl.c
+++ b/tools/perf/trace/beauty/fcntl.c
@@ -15,14 +15,19 @@ static size_t fcntl__scnprintf_getfd(unsigned long val, char *bf, size_t size)
return scnprintf(bf, size, "%s", val ? "CLOEXEC" : "0");
}
+static size_t syscall_arg__scnprintf_fcntl_getfd(char *bf, size_t size, struct syscall_arg *arg)
+{
+ return fcntl__scnprintf_getfd(arg->val, bf, size);
+}
+
size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg)
{
if (arg->val == F_GETFL) {
- syscall_arg__set_ret_scnprintf(arg, open__scnprintf_flags);
+ syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_open_flags);
goto mask_arg;
}
if (arg->val == F_GETFD) {
- syscall_arg__set_ret_scnprintf(arg, fcntl__scnprintf_getfd);
+ syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_fcntl_getfd);
goto mask_arg;
}
/*
diff --git a/tools/perf/trace/beauty/open_flags.c b/tools/perf/trace/beauty/open_flags.c
index 3c20683d8cfb..e359e041dc0e 100644
--- a/tools/perf/trace/beauty/open_flags.c
+++ b/tools/perf/trace/beauty/open_flags.c
@@ -73,7 +73,7 @@ size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size)
return printed;
}
-static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg)
+size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg)
{
int flags = arg->val;
@@ -82,6 +82,3 @@ static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct sy
return open__scnprintf_flags(flags, bf, size);
}
-
-
-#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags