Lines Matching +full:measure +full:- +full:delay +full:- +full:time
1 perf-kwork(1)
5 ----
6 perf-kwork - Tool to trace/measure kernel work properties (latencies)
9 --------
14 -----------
29 perf kwork record -- sleep 1
31 perf kwork report -b
33 perf kwork latency -b
36 perf kwork top -b
39 including the run time and delay (time between raise and actually entry):
43 ----------------- ----------------- ------ ------------------------- ---------- ----------
62 -------
63 -D::
64 --dump-raw-trace=::
67 -f::
68 --force::
71 -k::
72 --kwork::
75 -v::
76 --verbose::
80 ----------------------------
82 -b::
83 --use-bpf::
84 Use BPF to measure kwork runtime
86 -C::
87 --cpu::
90 -i::
91 --input::
94 -n::
95 --name::
98 -s::
99 --sort::
102 -S::
103 --with-summary::
106 --time::
107 Only analyze samples within given time window: <start>,<stop>. Times
108 have the format seconds.microseconds. If start is not given (i.e., time
110 stop time is not given (i.e, time string is 'x.y,') then analysis goes
114 ----------------------------
116 -b::
117 --use-bpf::
118 Use BPF to measure kwork latency
120 -C::
121 --cpu::
124 -i::
125 --input::
128 -n::
129 --name::
132 -s::
133 --sort::
136 --time::
137 Only analyze samples within given time window: <start>,<stop>. Times
138 have the format seconds.microseconds. If start is not given (i.e., time
140 stop time is not given (i.e, time string is 'x.y,') then analysis goes
144 ---------------------------------
146 -C::
147 --cpu::
150 -g::
151 --call-graph::
154 -i::
155 --input::
158 -k::
159 --vmlinux=<file>::
162 -n::
163 --name::
166 --kallsyms=<file>::
169 --max-stack::
172 --symfs=<directory>::
175 --time::
176 Only analyze samples within given time window: <start>,<stop>. Times
177 have the format seconds.microseconds. If start is not given (i.e., time
179 stop time is not given (i.e, time string is 'x.y,') then analysis goes
183 ---------------------------------
185 -b::
186 --use-bpf::
187 Use BPF to measure task cpu usage.
189 -C::
190 --cpu::
193 -i::
194 --input::
197 -n::
198 --name::
201 -s::
202 --sort::
205 --time::
206 Only analyze samples within given time window: <start>,<stop>. Times
207 have the format seconds.microseconds. If start is not given (i.e., time
209 stop time is not given (i.e, time string is 'x.y,') then analysis goes
213 --------
214 linkperf:perf-record[1]