diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-trace.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 1a6cb743695..02aaea6273f 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -24,6 +24,31 @@ static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, #define SCA_HEX syscall_arg__scnprintf_hex +static size_t syscall_arg__scnprintf_whence(char *bf, size_t size, + unsigned long arg, u8 *arg_mask __maybe_unused) +{ + int whence = arg; + + switch (whence) { +#define P_WHENCE(n) case SEEK_##n: return scnprintf(bf, size, #n) + P_WHENCE(SET); + P_WHENCE(CUR); + P_WHENCE(END); +#ifdef SEEK_DATA + P_WHENCE(DATA); +#endif +#ifdef SEEK_HOLE + P_WHENCE(HOLE); +#endif +#undef P_WHENCE + default: break; + } + + return scnprintf(bf, size, "%#x", whence); +} + +#define SCA_WHENCE syscall_arg__scnprintf_whence + static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, unsigned long arg, u8 *arg_mask __maybe_unused) { @@ -201,6 +226,8 @@ static struct syscall_fmt { .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, { .name = "ioctl", .errmsg = true, .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, + { .name = "lseek", .errmsg = true, + .arg_scnprintf = { [2] = SCA_WHENCE, /* whence */ }, }, { .name = "lstat", .errmsg = true, .alias = "newlstat", }, { .name = "madvise", .errmsg = true, .arg_scnprintf = { [0] = SCA_HEX, /* start */ |