Lines Matching +full:io +full:- +full:width
1 perf-timechart(1)
5 ----
6 perf-timechart - Tool to visualize total system behavior during a workload
9 --------
14 -----------
20 but it's possible to record IO (disk, network) activity using -I argument.
25 events or IO events.
27 In IO mode, every bar has two charts: upper and lower.
34 -----------------
35 -o::
36 --output=::
38 -i::
39 --input=::
41 -w::
42 --width=::
43 Select the width of the SVG file (default: 1000)
44 -P::
45 --power-only::
47 -T::
48 --tasks-only::
50 -p::
51 --process::
53 -f::
54 --force::
56 --symfs=<directory>::
58 -n::
59 --proc-num::
61 -t::
62 --topology::
64 --highlight=<duration_nsecs|task_name>::
67 as number of nanoseconds. If non-numeric string is given it's
69 --io-skip-eagain::
70 Don't draw EAGAIN IO events.
71 --io-min-time=<nsecs>::
72 Draw small events as if they lasted min-time. Useful when you need
73 to see very small and fast IO. It's possible to specify ms or us
76 --io-merge-dist=<nsecs>::
77 Merge events that are merge-dist nanoseconds apart.
78 Reduces number of figures on the SVG and makes it more render-friendly.
84 --------------
85 -P::
86 --power-only::
87 Record only power-related events
88 -T::
89 --tasks-only::
90 Record only tasks-related events
91 -I::
92 --io-only::
93 Record only io-related events
94 -g::
95 --callchain::
96 Do call-graph (stack chain/backtrace) recording
99 --------
110 Record system-wide timechart:
116 $ perf timechart --highlight gcc
118 Record system-wide IO events:
120 $ perf timechart record -I
127 --------
128 linkperf:perf-record[1]