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-rw-r--r--include/linux/perf_counter.h28
1 files changed, 17 insertions, 11 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 0765e8e6984..e7e7e024276 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -343,23 +343,22 @@ enum perf_event_type {
* { u64 nr;
* { u64 id, val; } cnt[nr]; } && PERF_SAMPLE_GROUP
*
- * { u16 nr,
- * hv,
- * kernel,
- * user;
+ * { u64 nr,
* u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN
* };
*/
};
-#define MAX_STACK_DEPTH 255
+enum perf_callchain_context {
+ PERF_CONTEXT_HV = (__u64)-32,
+ PERF_CONTEXT_KERNEL = (__u64)-128,
+ PERF_CONTEXT_USER = (__u64)-512,
-struct perf_callchain_entry {
- __u16 nr;
- __u16 hv;
- __u16 kernel;
- __u16 user;
- __u64 ip[MAX_STACK_DEPTH];
+ PERF_CONTEXT_GUEST = (__u64)-2048,
+ PERF_CONTEXT_GUEST_KERNEL = (__u64)-2176,
+ PERF_CONTEXT_GUEST_USER = (__u64)-2560,
+
+ PERF_CONTEXT_MAX = (__u64)-4095,
};
#ifdef __KERNEL__
@@ -381,6 +380,13 @@ struct perf_callchain_entry {
#include <linux/pid_namespace.h>
#include <asm/atomic.h>
+#define PERF_MAX_STACK_DEPTH 255
+
+struct perf_callchain_entry {
+ __u64 nr;
+ __u64 ip[PERF_MAX_STACK_DEPTH];
+};
+
struct task_struct;
/**