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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 FW |
18 | |
19 | static unsigned long total = 0; | |
20 | static unsigned long total_comm = 0; | |
21 | ||
5f9c39dc FW |
22 | static struct perf_header *header; |
23 | static u64 sample_type; | |
24 | ||
016e92fb FW |
25 | static char *cwd; |
26 | static int cwdlen; | |
27 | ||
5f9c39dc FW |
28 | |
29 | static int | |
30 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | |
31 | { | |
d5b889f2 | 32 | struct thread *thread = threads__findnew(event->comm.pid); |
5f9c39dc | 33 | |
cdd6c482 | 34 | dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n", |
5f9c39dc FW |
35 | (void *)(offset + head), |
36 | (void *)(long)(event->header.size), | |
37 | event->comm.comm, event->comm.pid); | |
38 | ||
39 | if (thread == NULL || | |
40 | thread__set_comm(thread, event->comm.comm)) { | |
cdd6c482 | 41 | dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); |
5f9c39dc FW |
42 | return -1; |
43 | } | |
44 | total_comm++; | |
45 | ||
46 | return 0; | |
47 | } | |
48 | ||
49 | static int | |
50 | process_sample_event(event_t *event, unsigned long offset, unsigned long head) | |
51 | { | |
5f9c39dc | 52 | u64 ip = event->ip.ip; |
6ddf259d | 53 | u64 timestamp = -1; |
cd6feeea | 54 | u32 cpu = -1; |
5f9c39dc FW |
55 | u64 period = 1; |
56 | void *more_data = event->ip.__more_data; | |
d5b889f2 | 57 | struct thread *thread = threads__findnew(event->ip.pid); |
5f9c39dc | 58 | |
6ddf259d IM |
59 | if (sample_type & PERF_SAMPLE_TIME) { |
60 | timestamp = *(u64 *)more_data; | |
61 | more_data += sizeof(u64); | |
62 | } | |
63 | ||
cd6feeea IM |
64 | if (sample_type & PERF_SAMPLE_CPU) { |
65 | cpu = *(u32 *)more_data; | |
66 | more_data += sizeof(u32); | |
67 | more_data += sizeof(u32); /* reserved */ | |
68 | } | |
69 | ||
5f9c39dc FW |
70 | if (sample_type & PERF_SAMPLE_PERIOD) { |
71 | period = *(u64 *)more_data; | |
72 | more_data += sizeof(u64); | |
73 | } | |
74 | ||
cdd6c482 | 75 | dump_printf("%p [%p]: PERF_RECORD_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n", |
5f9c39dc FW |
76 | (void *)(offset + head), |
77 | (void *)(long)(event->header.size), | |
78 | event->header.misc, | |
79 | event->ip.pid, event->ip.tid, | |
80 | (void *)(long)ip, | |
81 | (long long)period); | |
82 | ||
83 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); | |
84 | ||
85 | if (thread == NULL) { | |
86 | eprintf("problem processing %d event, skipping it.\n", | |
87 | event->header.type); | |
88 | return -1; | |
89 | } | |
90 | ||
5f9c39dc FW |
91 | if (sample_type & PERF_SAMPLE_RAW) { |
92 | struct { | |
93 | u32 size; | |
94 | char data[0]; | |
95 | } *raw = more_data; | |
96 | ||
97 | /* | |
98 | * FIXME: better resolve from pid from the struct trace_entry | |
99 | * field, although it should be the same than this perf | |
100 | * event pid | |
101 | */ | |
6ddf259d | 102 | print_event(cpu, raw->data, raw->size, timestamp, thread->comm); |
5f9c39dc FW |
103 | } |
104 | total += period; | |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
016e92fb | 109 | static int sample_type_check(u64 type) |
5f9c39dc | 110 | { |
016e92fb | 111 | sample_type = type; |
5f9c39dc | 112 | |
016e92fb FW |
113 | if (!(sample_type & PERF_SAMPLE_RAW)) { |
114 | fprintf(stderr, | |
115 | "No trace sample to read. Did you call perf record " | |
116 | "without -R?"); | |
5f9c39dc FW |
117 | return -1; |
118 | } | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
016e92fb FW |
123 | static struct perf_file_handler file_handler = { |
124 | .process_sample_event = process_sample_event, | |
125 | .process_comm_event = process_comm_event, | |
126 | .sample_type_check = sample_type_check, | |
127 | }; | |
128 | ||
5f9c39dc FW |
129 | static int __cmd_trace(void) |
130 | { | |
d5b889f2 | 131 | register_idle_thread(); |
016e92fb | 132 | register_perf_file_handler(&file_handler); |
5f9c39dc | 133 | |
016e92fb | 134 | return mmap_dispatch_perf_file(&header, input_name, 0, 0, &cwdlen, &cwd); |
5f9c39dc FW |
135 | } |
136 | ||
137 | static const char * const annotate_usage[] = { | |
138 | "perf trace [<options>] <command>", | |
139 | NULL | |
140 | }; | |
141 | ||
142 | static const struct option options[] = { | |
143 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
144 | "dump raw trace in ASCII"), | |
145 | OPT_BOOLEAN('v', "verbose", &verbose, | |
146 | "be more verbose (show symbol address, etc)"), | |
1909629f | 147 | OPT_END() |
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148 | }; |
149 | ||
150 | int cmd_trace(int argc, const char **argv, const char *prefix __used) | |
151 | { | |
152 | symbol__init(); | |
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153 | |
154 | argc = parse_options(argc, argv, options, annotate_usage, 0); | |
155 | if (argc) { | |
156 | /* | |
157 | * Special case: if there's an argument left then assume tha | |
158 | * it's a symbol filter: | |
159 | */ | |
160 | if (argc > 1) | |
161 | usage_with_options(annotate_usage, options); | |
162 | } | |
163 | ||
5f9c39dc FW |
164 | setup_pager(); |
165 | ||
166 | return __cmd_trace(); | |
167 | } |