diff options
Diffstat (limited to 'tools/perf/util/thread-stack.h')
| -rw-r--r-- | tools/perf/util/thread-stack.h | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/tools/perf/util/thread-stack.h b/tools/perf/util/thread-stack.h index 1f626f4a1c40..b3cd09beb62f 100644 --- a/tools/perf/util/thread-stack.h +++ b/tools/perf/util/thread-stack.h @@ -1,16 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * thread-stack.h: Synthesize a thread's stack using call / return events * Copyright (c) 2014, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #ifndef __PERF_THREAD_STACK_H @@ -25,7 +16,6 @@ struct comm; struct ip_callchain; struct symbol; struct dso; -struct comm; struct perf_sample; struct addr_location; struct call_path; @@ -35,10 +25,13 @@ struct call_path; * * CALL_RETURN_NO_CALL: 'return' but no matching 'call' * CALL_RETURN_NO_RETURN: 'call' but no matching 'return' + * CALL_RETURN_NON_CALL: a branch but not a 'call' to the start of a different + * symbol */ enum { CALL_RETURN_NO_CALL = 1 << 0, CALL_RETURN_NO_RETURN = 1 << 1, + CALL_RETURN_NON_CALL = 1 << 2, }; /** @@ -49,9 +42,12 @@ enum { * @call_time: timestamp of call (if known) * @return_time: timestamp of return (if known) * @branch_count: number of branches seen between call and return + * @insn_count: approx. number of instructions between call and return + * @cyc_count: approx. number of cycles between call and return * @call_ref: external reference to 'call' sample (e.g. db_id) * @return_ref: external reference to 'return' sample (e.g. db_id) * @db_id: id used for db-export + * @parent_db_id: id of parent call used for db-export * @flags: Call/Return flags */ struct call_return { @@ -61,9 +57,12 @@ struct call_return { u64 call_time; u64 return_time; u64 branch_count; + u64 insn_count; + u64 cyc_count; u64 call_ref; u64 return_ref; u64 db_id; + u64 parent_db_id; u32 flags; }; @@ -76,21 +75,30 @@ struct call_return { */ struct call_return_processor { struct call_path_root *cpr; - int (*process)(struct call_return *cr, void *data); + int (*process)(struct call_return *cr, u64 *parent_db_id, void *data); void *data; }; int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip, - u64 to_ip, u16 insn_len, u64 trace_nr); + u64 to_ip, u16 insn_len, u64 trace_nr, bool callstack, + unsigned int br_stack_sz, bool mispred_all); void thread_stack__set_trace_nr(struct thread *thread, int cpu, u64 trace_nr); void thread_stack__sample(struct thread *thread, int cpu, struct ip_callchain *chain, size_t sz, u64 ip, u64 kernel_start); +void thread_stack__sample_late(struct thread *thread, int cpu, + struct ip_callchain *chain, size_t sz, u64 ip, + u64 kernel_start); +void thread_stack__br_sample(struct thread *thread, int cpu, + struct branch_stack *dst, unsigned int sz); +void thread_stack__br_sample_late(struct thread *thread, int cpu, + struct branch_stack *dst, unsigned int sz, + u64 sample_ip, u64 kernel_start); int thread_stack__flush(struct thread *thread); void thread_stack__free(struct thread *thread); size_t thread_stack__depth(struct thread *thread, int cpu); struct call_return_processor * -call_return_processor__new(int (*process)(struct call_return *cr, void *data), +call_return_processor__new(int (*process)(struct call_return *cr, u64 *parent_db_id, void *data), void *data); void call_return_processor__free(struct call_return_processor *crp); int thread_stack__process(struct thread *thread, struct comm *comm, |