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-rw-r--r--tools/perf/trace/beauty/flock.c51
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;
+}