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authorArnaldo Carvalho de Melo <acme@redhat.com>2013-09-20 11:49:50 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-10-09 17:37:50 -0300
commit5cea6ff265e6979226b751f5ebfdda4594322523 (patch)
treea3c1c93ca85eeaeeb6b3d138148b5729ed969a12 /tools/perf/builtin-trace.c
parentperf trace: Beautify epoll_ctl 'op' arg (diff)
downloadlinux-dev-5cea6ff265e6979226b751f5ebfdda4594322523.tar.xz
linux-dev-5cea6ff265e6979226b751f5ebfdda4594322523.zip
perf trace: Beautify flock 'cmd' arg
4735.638 ( 0.003 ms): man/19881 flock(fd: 3, cmd: SH|NB) = 0 4735.832 ( 0.002 ms): man/19881 flock(fd: 3, cmd: UN ) = 0 Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-amh3y88kh1nmclpwezqlarl8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
-rw-r--r--tools/perf/builtin-trace.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 807e542da623..2007c8c2c52b 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -189,6 +189,37 @@ static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
+static size_t syscall_arg__scnprintf_flock(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ int printed = 0, op = arg->val;
+
+ if (op == 0)
+ return scnprintf(bf, size, "NONE");
+#define P_CMD(cmd) \
+ if ((op & LOCK_##cmd) == LOCK_##cmd) { \
+ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
+ op &= ~LOCK_##cmd; \
+ }
+
+ P_CMD(SH);
+ P_CMD(EX);
+ P_CMD(NB);
+ P_CMD(UN);
+ P_CMD(MAND);
+ P_CMD(RW);
+ P_CMD(READ);
+ P_CMD(WRITE);
+#undef P_OP
+
+ if (op)
+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
+
+ return printed;
+}
+
+#define SCA_FLOCK syscall_arg__scnprintf_flock
+
static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg)
{
enum syscall_futex_args {
@@ -554,6 +585,8 @@ static struct syscall_fmt {
{ .name = "fcntl", .errmsg = true,
.arg_scnprintf = { [1] = SCA_STRARRAY, /* cmd */ },
.arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, },
+ { .name = "flock", .errmsg = true,
+ .arg_scnprintf = { [1] = SCA_FLOCK, /* cmd */ }, },
{ .name = "fstat", .errmsg = true, .alias = "newfstat", },
{ .name = "fstatat", .errmsg = true, .alias = "newfstatat", },
{ .name = "futex", .errmsg = true,