perf: Add PERF_RECORD_NAMESPACES to include namespaces related info

[mirror_ubuntu-artful-kernel.git] / include / uapi / linux / perf_event.h

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index c66a485a24ac81e324ea53ea17b405a3c73b520a..bec0aad0e15cd3798f6858038d661b1b1ce1b3bc 100644 (file)
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -344,7 +344,8 @@ struct perf_event_attr {
                                use_clockid    :  1, /* use @clockid for time fields */
                                context_switch :  1, /* context switch data */
                                write_backward :  1, /* Write ring buffer from end to beginning */
-                               __reserved_1   : 36;
+                               namespaces     :  1, /* include namespaces data */
+                               __reserved_1   : 35;
 
        union {
                __u32           wakeup_events;    /* wakeup every n events */
@@ -610,6 +611,23 @@ struct perf_event_header {
        __u16   size;
 };
 
+struct perf_ns_link_info {
+       __u64   dev;
+       __u64   ino;
+};
+
+enum {
+       NET_NS_INDEX            = 0,
+       UTS_NS_INDEX            = 1,
+       IPC_NS_INDEX            = 2,
+       PID_NS_INDEX            = 3,
+       USER_NS_INDEX           = 4,
+       MNT_NS_INDEX            = 5,
+       CGROUP_NS_INDEX         = 6,
+
+       NR_NAMESPACES,          /* number of available namespaces */
+};
+
 enum perf_event_type {
 
        /*
@@ -862,6 +880,18 @@ enum perf_event_type {
         */
        PERF_RECORD_SWITCH_CPU_WIDE             = 15,
 
+       /*
+        * struct {
+        *      struct perf_event_header        header;
+        *      u32                             pid;
+        *      u32                             tid;
+        *      u64                             nr_namespaces;
+        *      { u64                           dev, inode; } [nr_namespaces];
+        *      struct sample_id                sample_id;
+        * };
+        */
+       PERF_RECORD_NAMESPACES                  = 16,
+
        PERF_RECORD_MAX,                        /* non-ABI */
 };