Commit | Line | Data |
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0bec253c | 1 | perf-report(1) |
c1c2365a | 2 | ============== |
0bec253c IM |
3 | |
4 | NAME | |
5 | ---- | |
23ac9cbe | 6 | perf-report - Read perf.data (created by perf record) and display the profile |
0bec253c IM |
7 | |
8 | SYNOPSIS | |
9 | -------- | |
10 | [verse] | |
11 | 'perf report' [-i <file> | --input=file] | |
12 | ||
13 | DESCRIPTION | |
14 | ----------- | |
15 | This command displays the performance counter profile information recorded | |
b0a28589 | 16 | via perf record. |
0bec253c IM |
17 | |
18 | OPTIONS | |
19 | ------- | |
20 | -i:: | |
21 | --input=:: | |
23ac9cbe | 22 | Input file name. (default: perf.data) |
e04fffc3 SB |
23 | |
24 | -v:: | |
25 | --verbose:: | |
26 | Be more verbose. (show symbol address, etc) | |
27 | ||
25903407 ACM |
28 | -d:: |
29 | --dsos=:: | |
30 | Only consider symbols in these dsos. CSV that understands | |
31 | file://filename entries. | |
ca2b900f ZT |
32 | -n:: |
33 | --show-nr-samples:: | |
e3d7e183 | 34 | Show the number of samples for each symbol |
e04fffc3 SB |
35 | |
36 | --showcpuutilization:: | |
37 | Show sample percentage for different cpu modes. | |
38 | ||
ca2b900f ZT |
39 | -T:: |
40 | --threads:: | |
8d513270 | 41 | Show per-thread event counters |
cc8b88b1 ACM |
42 | -C:: |
43 | --comms=:: | |
44 | Only consider symbols in these comms. CSV that understands | |
45 | file://filename entries. | |
7bec7a91 ACM |
46 | -S:: |
47 | --symbols=:: | |
48 | Only consider these symbols. CSV that understands | |
49 | file://filename entries. | |
0bec253c | 50 | |
e04fffc3 SB |
51 | -U:: |
52 | --hide-unresolved:: | |
53 | Only display entries resolved to a symbol. | |
54 | ||
c351c281 ACM |
55 | -s:: |
56 | --sort=:: | |
57 | Sort by key(s): pid, comm, dso, symbol, parent. | |
58 | ||
e04fffc3 SB |
59 | -p:: |
60 | --parent=<regex>:: | |
61 | regex filter to identify parent, see: '--sort parent' | |
62 | ||
63 | -x:: | |
64 | --exclude-other:: | |
65 | Only display entries with parent-match. | |
66 | ||
52d422de | 67 | -w:: |
e04fffc3 | 68 | --column-widths=<width[,width...]>:: |
52d422de ACM |
69 | Force each column width to the provided list, for large terminal |
70 | readability. | |
71 | ||
72 | -t:: | |
73 | --field-separator=:: | |
74 | ||
75 | Use a special separator character and don't pad with spaces, replacing | |
e04fffc3 | 76 | all occurrences of this separator in symbol names (and other output) |
52d422de ACM |
77 | with a '.' character, that thus it's the only non valid separator. |
78 | ||
e04fffc3 SB |
79 | -D:: |
80 | --dump-raw-trace:: | |
81 | Dump raw trace in ASCII. | |
82 | ||
d797fdc5 | 83 | -g [type,min,order]:: |
ec7ba4ea | 84 | --call-graph:: |
d797fdc5 | 85 | Display call chains using type, min percent threshold and order. |
ec7ba4ea | 86 | type can be either: |
e04fffc3 | 87 | - flat: single column, linear exposure of call chains. |
ec7ba4ea FW |
88 | - graph: use a graph tree, displaying absolute overhead rates. |
89 | - fractal: like graph, but displays relative rates. Each branch of | |
90 | the tree is considered as a new profiled object. + | |
d797fdc5 SL |
91 | |
92 | order can be either: | |
93 | - callee: callee based call graph. | |
94 | - caller: inverted caller based call graph. | |
95 | ||
96 | Default: fractal,0.5,callee. | |
97 | ||
98 | -G:: | |
99 | --inverted:: | |
100 | alias for inverted caller based call graph. | |
ec7ba4ea | 101 | |
e04fffc3 SB |
102 | --pretty=<key>:: |
103 | Pretty printing style. key: normal, raw | |
104 | ||
8b9e74eb ACM |
105 | --stdio:: Use the stdio interface. |
106 | ||
107 | --tui:: Use the TUI interface, that is integrated with annotate and allows | |
108 | zooming into DSOs or threads, among other features. Use of --tui | |
109 | requires a tty, if one is not present, as when piping to other | |
110 | commands, the stdio interface is used. | |
111 | ||
e04fffc3 SB |
112 | -k:: |
113 | --vmlinux=<file>:: | |
114 | vmlinux pathname | |
115 | ||
b226a5a7 DA |
116 | --kallsyms=<file>:: |
117 | kallsyms pathname | |
118 | ||
e04fffc3 SB |
119 | -m:: |
120 | --modules:: | |
121 | Load module symbols. WARNING: This should only be used with -k and | |
122 | a LIVE kernel. | |
123 | ||
124 | -f:: | |
125 | --force:: | |
126 | Don't complain, do it. | |
127 | ||
ec5761ea DA |
128 | --symfs=<directory>:: |
129 | Look for files with symbols relative to this directory. | |
130 | ||
5d67be97 AB |
131 | -c:: |
132 | --cpu:: Only report samples for the list of CPUs provided. Multiple CPUs can | |
133 | be provided as a comma-separated list with no space: 0,1. Ranges of | |
134 | CPUs are specified with -: 0-2. Default is to report samples on all | |
135 | CPUs. | |
136 | ||
f69b64f7 AK |
137 | -M:: |
138 | --disassembler-style=:: Set disassembler style for objdump. | |
139 | ||
3f2728bd ACM |
140 | --show-total-period:: Show a column with the sum of periods. |
141 | ||
0bec253c IM |
142 | SEE ALSO |
143 | -------- | |
144 | linkperf:perf-stat[1] |