Commit | Line | Data |
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5f9c39dc FW |
1 | #include "builtin.h" |
2 | ||
3 | #include "util/util.h" | |
4 | #include "util/cache.h" | |
5 | #include "util/symbol.h" | |
6 | #include "util/thread.h" | |
7 | #include "util/header.h" | |
8 | ||
9 | #include "util/parse-options.h" | |
10 | ||
11 | #include "perf.h" | |
12 | #include "util/debug.h" | |
13 | ||
14 | #include "util/trace-event.h" | |
016e92fb | 15 | #include "util/data_map.h" |
5f9c39dc FW |
16 | |
17 | static char const *input_name = "perf.data"; | |
5f9c39dc | 18 | |
5f9c39dc FW |
19 | static struct perf_header *header; |
20 | static u64 sample_type; | |
21 | ||
62daacb5 | 22 | static int process_sample_event(event_t *event) |
5f9c39dc | 23 | { |
5f9c39dc | 24 | u64 ip = event->ip.ip; |
6ddf259d | 25 | u64 timestamp = -1; |
cd6feeea | 26 | u32 cpu = -1; |
5f9c39dc FW |
27 | u64 period = 1; |
28 | void *more_data = event->ip.__more_data; | |
d5b889f2 | 29 | struct thread *thread = threads__findnew(event->ip.pid); |
5f9c39dc | 30 | |
6ddf259d IM |
31 | if (sample_type & PERF_SAMPLE_TIME) { |
32 | timestamp = *(u64 *)more_data; | |
33 | more_data += sizeof(u64); | |
34 | } | |
35 | ||
cd6feeea IM |
36 | if (sample_type & PERF_SAMPLE_CPU) { |
37 | cpu = *(u32 *)more_data; | |
38 | more_data += sizeof(u32); | |
39 | more_data += sizeof(u32); /* reserved */ | |
40 | } | |
41 | ||
5f9c39dc FW |
42 | if (sample_type & PERF_SAMPLE_PERIOD) { |
43 | period = *(u64 *)more_data; | |
44 | more_data += sizeof(u64); | |
45 | } | |
46 | ||
62daacb5 | 47 | dump_printf("(IP, %d): %d/%d: %p period: %Ld\n", |
5f9c39dc FW |
48 | event->header.misc, |
49 | event->ip.pid, event->ip.tid, | |
50 | (void *)(long)ip, | |
51 | (long long)period); | |
52 | ||
5f9c39dc | 53 | if (thread == NULL) { |
6beba7ad ACM |
54 | pr_debug("problem processing %d event, skipping it.\n", |
55 | event->header.type); | |
5f9c39dc FW |
56 | return -1; |
57 | } | |
58 | ||
f39cdf25 JL |
59 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
60 | ||
5f9c39dc FW |
61 | if (sample_type & PERF_SAMPLE_RAW) { |
62 | struct { | |
63 | u32 size; | |
64 | char data[0]; | |
65 | } *raw = more_data; | |
66 | ||
67 | /* | |
68 | * FIXME: better resolve from pid from the struct trace_entry | |
69 | * field, although it should be the same than this perf | |
70 | * event pid | |
71 | */ | |
6ddf259d | 72 | print_event(cpu, raw->data, raw->size, timestamp, thread->comm); |
5f9c39dc | 73 | } |
62daacb5 | 74 | event__stats.total += period; |
5f9c39dc FW |
75 | |
76 | return 0; | |
77 | } | |
78 | ||
016e92fb | 79 | static int sample_type_check(u64 type) |
5f9c39dc | 80 | { |
016e92fb | 81 | sample_type = type; |
5f9c39dc | 82 | |
016e92fb FW |
83 | if (!(sample_type & PERF_SAMPLE_RAW)) { |
84 | fprintf(stderr, | |
85 | "No trace sample to read. Did you call perf record " | |
86 | "without -R?"); | |
5f9c39dc FW |
87 | return -1; |
88 | } | |
89 | ||
90 | return 0; | |
91 | } | |
92 | ||
016e92fb FW |
93 | static struct perf_file_handler file_handler = { |
94 | .process_sample_event = process_sample_event, | |
62daacb5 | 95 | .process_comm_event = event__process_comm, |
016e92fb FW |
96 | .sample_type_check = sample_type_check, |
97 | }; | |
98 | ||
5f9c39dc FW |
99 | static int __cmd_trace(void) |
100 | { | |
d5b889f2 | 101 | register_idle_thread(); |
016e92fb | 102 | register_perf_file_handler(&file_handler); |
5f9c39dc | 103 | |
b32d133a | 104 | return mmap_dispatch_perf_file(&header, input_name, |
62daacb5 | 105 | 0, 0, &event__cwdlen, &event__cwd); |
5f9c39dc FW |
106 | } |
107 | ||
108 | static const char * const annotate_usage[] = { | |
109 | "perf trace [<options>] <command>", | |
110 | NULL | |
111 | }; | |
112 | ||
113 | static const struct option options[] = { | |
114 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
115 | "dump raw trace in ASCII"), | |
116 | OPT_BOOLEAN('v', "verbose", &verbose, | |
117 | "be more verbose (show symbol address, etc)"), | |
cda48461 SR |
118 | OPT_BOOLEAN('l', "latency", &latency_format, |
119 | "show latency attributes (irqs/preemption disabled, etc)"), | |
1909629f | 120 | OPT_END() |
5f9c39dc FW |
121 | }; |
122 | ||
123 | int cmd_trace(int argc, const char **argv, const char *prefix __used) | |
124 | { | |
00a192b3 | 125 | symbol__init(0); |
5f9c39dc FW |
126 | |
127 | argc = parse_options(argc, argv, options, annotate_usage, 0); | |
128 | if (argc) { | |
129 | /* | |
130 | * Special case: if there's an argument left then assume tha | |
131 | * it's a symbol filter: | |
132 | */ | |
133 | if (argc > 1) | |
134 | usage_with_options(annotate_usage, options); | |
135 | } | |
136 | ||
5f9c39dc FW |
137 | setup_pager(); |
138 | ||
139 | return __cmd_trace(); | |
140 | } |