1 files changed, 47 insertions, 0 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 6485576f3337..0c8bcb94934e 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -40,6 +40,10 @@
 #include <sys/mman.h>
 #include <linux/futex.h>
 #include <linux/err.h>
+#include <linux/seccomp.h>
+#include <linux/filter.h>
+#include <linux/audit.h>
+#include <sys/ptrace.h>
 
 /* For older distros: */
 #ifndef MAP_STACK
@@ -1001,6 +1005,46 @@ static const char *tioctls[] = {
 static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401);
 #endif /* defined(__i386__) || defined(__x86_64__) */
 
+static size_t syscall_arg__scnprintf_seccomp_op(char *bf, size_t size, struct syscall_arg *arg)
+{
+        int op = arg->val;
+        size_t printed = 0;
+
+        switch (op) {
+#define P_SECCOMP_SET_MODE_OP(n) case SECCOMP_SET_MODE_##n: printed = scnprintf(bf, size, #n); break
+        P_SECCOMP_SET_MODE_OP(STRICT);
+        P_SECCOMP_SET_MODE_OP(FILTER);
+#undef P_SECCOMP_SET_MODE_OP
+        default: printed = scnprintf(bf, size, "%#x", op);                        break;
+        }
+
+        return printed;
+}
+
+#define SCA_SECCOMP_OP  syscall_arg__scnprintf_seccomp_op
+
+static size_t syscall_arg__scnprintf_seccomp_flags(char *bf, size_t size,
+                                                   struct syscall_arg *arg)
+{
+        int printed = 0, flags = arg->val;
+
+#define P_FLAG(n) \
+        if (flags & SECCOMP_FILTER_FLAG_##n) { \
+                printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
+                flags &= ~SECCOMP_FILTER_FLAG_##n; \
+        }
+
+        P_FLAG(TSYNC);
+#undef P_FLAG
+
+        if (flags)
+                printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+        return printed;
+}
+
+#define SCA_SECCOMP_FLAGS syscall_arg__scnprintf_seccomp_flags
+
 #define STRARRAY(arg, name, array) \
           .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \
           .arg_parm      = { [arg] = &strarray__##array, }
@@ -1234,6 +1278,9 @@ static struct syscall_fmt {
           .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, },
         { .name     = "rt_tgsigqueueinfo", .errmsg = true,
           .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, },
+        { .name     = "seccomp", .errmsg = true,
+          .arg_scnprintf = { [0] = SCA_SECCOMP_OP, /* op */
+                             [1] = SCA_SECCOMP_FLAGS, /* flags */ }, },
         { .name     = "select",     .errmsg = true, .timeout = true, },
         { .name     = "sendmmsg",    .errmsg = true,
           .arg_scnprintf = { [0] = SCA_FD, /* fd */