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-rw-r--r--tools/perf/builtin-trace.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 034152c7e974..b72afc73f9a7 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -88,6 +88,43 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, unsigned
#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
+static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, unsigned long arg)
+{
+ int behavior = arg;
+
+ switch (behavior) {
+#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
+ P_MADV_BHV(NORMAL);
+ P_MADV_BHV(RANDOM);
+ P_MADV_BHV(SEQUENTIAL);
+ P_MADV_BHV(WILLNEED);
+ P_MADV_BHV(DONTNEED);
+ P_MADV_BHV(REMOVE);
+ P_MADV_BHV(DONTFORK);
+ P_MADV_BHV(DOFORK);
+ P_MADV_BHV(HWPOISON);
+#ifdef MADV_SOFT_OFFLINE
+ P_MADV_BHV(SOFT_OFFLINE);
+#endif
+ P_MADV_BHV(MERGEABLE);
+ P_MADV_BHV(UNMERGEABLE);
+ P_MADV_BHV(HUGEPAGE);
+ P_MADV_BHV(NOHUGEPAGE);
+#ifdef MADV_DONTDUMP
+ P_MADV_BHV(DONTDUMP);
+#endif
+#ifdef MADV_DODUMP
+ P_MADV_BHV(DODUMP);
+#endif
+#undef P_MADV_PHV
+ default: break;
+ }
+
+ return scnprintf(bf, size, "%#x", behavior);
+}
+
+#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
+
static struct syscall_fmt {
const char *name;
const char *alias;
@@ -108,6 +145,9 @@ static struct syscall_fmt {
{ .name = "ioctl", .errmsg = true,
.arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, },
{ .name = "lstat", .errmsg = true, .alias = "newlstat", },
+ { .name = "madvise", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_HEX, /* start */
+ [2] = SCA_MADV_BHV, /* behavior */ }, },
{ .name = "mmap", .hexret = true,
.arg_scnprintf = { [0] = SCA_HEX, /* addr */
[2] = SCA_MMAP_PROT, /* prot */