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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/trace/beauty/flock.c | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/trace/beauty/flock.c')
-rw-r--r-- | tools/perf/trace/beauty/flock.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/flock.c b/tools/perf/trace/beauty/flock.c new file mode 100644 index 000000000..c14274edd --- /dev/null +++ b/tools/perf/trace/beauty/flock.c @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: LGPL-2.1 + +#include "trace/beauty/beauty.h" +#include <linux/kernel.h> +#include <uapi/linux/fcntl.h> + +#ifndef LOCK_MAND +#define LOCK_MAND 32 +#endif + +#ifndef LOCK_READ +#define LOCK_READ 64 +#endif + +#ifndef LOCK_WRITE +#define LOCK_WRITE 128 +#endif + +#ifndef LOCK_RW +#define LOCK_RW 192 +#endif + +size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg) +{ + bool show_prefix = arg->show_string_prefix; + const char *prefix = "LOCK_"; + 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%s", printed ? "|" : "", show_prefix ? prefix : "", #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; +} |