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-rw-r--r--tools/perf/builtin-trace.c17
-rw-r--r--tools/perf/trace/beauty/beauty.h3
2 files changed, 20 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index c373f9a3e4a9..0c1461416ef1 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -988,6 +988,23 @@ size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg)
return printed;
}
+size_t pid__scnprintf_fd(struct trace *trace, pid_t pid, int fd, char *bf, size_t size)
+{
+ size_t printed = scnprintf(bf, size, "%d", fd);
+ struct thread *thread = machine__find_thread(trace->host, pid, pid);
+
+ if (thread) {
+ const char *path = thread__fd_path(thread, fd, trace);
+
+ if (path)
+ printed += scnprintf(bf + printed, size - printed, "<%s>", path);
+
+ thread__put(thread);
+ }
+
+ return printed;
+}
+
static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size,
struct syscall_arg *arg)
{
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index b29f94ef5d6a..365bb6fecc1c 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -3,6 +3,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
+#include <sys/types.h>
struct strarray {
int offset;
@@ -26,6 +27,8 @@ size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const cha
struct trace;
struct thread;
+size_t pid__scnprintf_fd(struct trace *trace, pid_t pid, int fd, char *bf, size_t size);
+
/**
* @val: value of syscall argument being formatted
* @args: All the args, use syscall_args__val(arg, nth) to access one