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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 0765e8e69843..e7e7e0242767 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -343,23 +343,22 @@ enum perf_event_type {
343 * { u64 nr; 343 * { u64 nr;
344 * { u64 id, val; } cnt[nr]; } && PERF_SAMPLE_GROUP 344 * { u64 id, val; } cnt[nr]; } && PERF_SAMPLE_GROUP
345 * 345 *
346 * { u16 nr, 346 * { u64 nr,
347 * hv,
348 * kernel,
349 * user;
350 * u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN 347 * u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN
351 * }; 348 * };
352 */ 349 */
353}; 350};
354 351
355#define MAX_STACK_DEPTH 255 352enum perf_callchain_context {
353 PERF_CONTEXT_HV = (__u64)-32,
354 PERF_CONTEXT_KERNEL = (__u64)-128,
355 PERF_CONTEXT_USER = (__u64)-512,
356 356
357struct perf_callchain_entry { 357 PERF_CONTEXT_GUEST = (__u64)-2048,
358 __u16 nr; 358 PERF_CONTEXT_GUEST_KERNEL = (__u64)-2176,
359 __u16 hv; 359 PERF_CONTEXT_GUEST_USER = (__u64)-2560,
360 __u16 kernel; 360
361 __u16 user; 361 PERF_CONTEXT_MAX = (__u64)-4095,
362 __u64 ip[MAX_STACK_DEPTH];
363}; 362};
364 363
365#ifdef __KERNEL__ 364#ifdef __KERNEL__
@@ -381,6 +380,13 @@ struct perf_callchain_entry {
381#include <linux/pid_namespace.h> 380#include <linux/pid_namespace.h>
382#include <asm/atomic.h> 381#include <asm/atomic.h>
383 382
383#define PERF_MAX_STACK_DEPTH 255
384
385struct perf_callchain_entry {
386 __u64 nr;
387 __u64 ip[PERF_MAX_STACK_DEPTH];
388};
389
384struct task_struct; 390struct task_struct;
385 391
386/** 392/**