| /Linux-v5.15/tools/perf/pmu-events/arch/x86/broadwellde/ |
| D | bdwde-metrics.json | 123 "BriefDescription": "C3 residency percent per core",
124 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
129 "BriefDescription": "C6 residency percent per core",
130 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
135 "BriefDescription": "C7 residency percent per core",
136 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
141 "BriefDescription": "C2 residency percent per package",
142 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
147 "BriefDescription": "C3 residency percent per package",
148 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
[all …]
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| /Linux-v5.15/tools/perf/pmu-events/arch/x86/icelake/ |
| D | icl-metrics.json | 232 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
233 "BriefDescription": "C3 residency percent per core",
238 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
239 "BriefDescription": "C6 residency percent per core",
244 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
245 "BriefDescription": "C7 residency percent per core",
250 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
251 "BriefDescription": "C2 residency percent per package",
256 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
257 "BriefDescription": "C3 residency percent per package",
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| /Linux-v5.15/Documentation/devicetree/bindings/arm/ |
| D | idle-states.yaml | 64 |<-------- min-residency -------->|
90 min-residency: Minimum period, including preparation and entry, for a given
99 An idle CPU requires the expected min-residency time to select the most
123 The min-residency time parameter deserves further explanation since it is
159 min-residency is defined for a given idle state as the minimum expected
160 residency time for a state (inclusive of preparation and entry) after
189 IDLE2-min-residency
191 Graph 2: idle states min-residency example
194 costs, it is clear that if the idle state residency time (i.e. time till next
195 wake-up IRQ) is less than IDLE2-min-residency, IDLE1 is the better idle state
[all …]
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| /Linux-v5.15/arch/x86/events/intel/ |
| D | cstate.c | 2 * Support cstate residency counters
41 * MSR_CORE_C1_RES: CORE C1 Residency Counter
45 * MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter
50 * MSR_CORE_C6_RESIDENCY: CORE C6 Residency Counter
56 * MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter
61 * MSR_PKG_C2_RESIDENCY: Package C2 Residency Counter.
66 * MSR_PKG_C3_RESIDENCY: Package C3 Residency Counter.
72 * MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter.
78 * MSR_PKG_C7_RESIDENCY: Package C7 Residency Counter.
83 * MSR_PKG_C8_RESIDENCY: Package C8 Residency Counter.
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| /Linux-v5.15/tools/perf/pmu-events/arch/x86/skylakex/ |
| D | skx-metrics.json | 286 "BriefDescription": "C3 residency percent per core",
287 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
292 "BriefDescription": "C6 residency percent per core",
293 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
298 "BriefDescription": "C7 residency percent per core",
299 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
304 "BriefDescription": "C2 residency percent per package",
305 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
310 "BriefDescription": "C3 residency percent per package",
311 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
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|
| /Linux-v5.15/tools/perf/pmu-events/arch/x86/cascadelakex/ |
| D | clx-metrics.json | 310 "BriefDescription": "C3 residency percent per core",
311 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
316 "BriefDescription": "C6 residency percent per core",
317 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
322 "BriefDescription": "C7 residency percent per core",
323 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
328 "BriefDescription": "C2 residency percent per package",
329 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
334 "BriefDescription": "C3 residency percent per package",
335 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
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| /Linux-v5.15/tools/perf/pmu-events/arch/x86/sandybridge/ |
| D | snb-metrics.json | 185 "BriefDescription": "C3 residency percent per core",
186 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
191 "BriefDescription": "C6 residency percent per core",
192 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
197 "BriefDescription": "C7 residency percent per core",
198 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
203 "BriefDescription": "C2 residency percent per package",
204 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
209 "BriefDescription": "C3 residency percent per package",
210 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
[all …]
|
| /Linux-v5.15/tools/perf/pmu-events/arch/x86/jaketown/ |
| D | jkt-metrics.json | 191 "BriefDescription": "C3 residency percent per core",
192 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
197 "BriefDescription": "C6 residency percent per core",
198 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
203 "BriefDescription": "C7 residency percent per core",
204 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
209 "BriefDescription": "C2 residency percent per package",
210 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
215 "BriefDescription": "C3 residency percent per package",
216 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
[all …]
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| /Linux-v5.15/tools/perf/pmu-events/arch/x86/ivytown/ |
| D | ivt-metrics.json | 305 "BriefDescription": "C3 residency percent per core",
306 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
311 "BriefDescription": "C6 residency percent per core",
312 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
317 "BriefDescription": "C7 residency percent per core",
318 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
323 "BriefDescription": "C2 residency percent per package",
324 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
329 "BriefDescription": "C3 residency percent per package",
330 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
[all …]
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| /Linux-v5.15/tools/perf/pmu-events/arch/x86/haswellx/ |
| D | hsx-metrics.json | 299 "BriefDescription": "C3 residency percent per core",
300 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
305 "BriefDescription": "C6 residency percent per core",
306 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
311 "BriefDescription": "C7 residency percent per core",
312 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
317 "BriefDescription": "C2 residency percent per package",
318 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
323 "BriefDescription": "C3 residency percent per package",
324 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
[all …]
|
| /Linux-v5.15/tools/perf/pmu-events/arch/x86/haswell/ |
| D | hsw-metrics.json | 281 "BriefDescription": "C3 residency percent per core",
282 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
287 "BriefDescription": "C6 residency percent per core",
288 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
293 "BriefDescription": "C7 residency percent per core",
294 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
299 "BriefDescription": "C2 residency percent per package",
300 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
305 "BriefDescription": "C3 residency percent per package",
306 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
[all …]
|
| /Linux-v5.15/tools/perf/pmu-events/arch/x86/ivybridge/ |
| D | ivb-metrics.json | 299 "BriefDescription": "C3 residency percent per core",
300 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
305 "BriefDescription": "C6 residency percent per core",
306 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
311 "BriefDescription": "C7 residency percent per core",
312 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
317 "BriefDescription": "C2 residency percent per package",
318 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
323 "BriefDescription": "C3 residency percent per package",
324 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
[all …]
|
| /Linux-v5.15/tools/perf/pmu-events/arch/x86/tigerlake/ |
| D | tgl-metrics.json | 208 "BriefDescription": "C6 residency percent per core",
209 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
214 "BriefDescription": "C7 residency percent per core",
215 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
220 "BriefDescription": "C6 residency percent per package",
221 "MetricExpr": "(cstate_pkg@c6\\-residency@ / msr@tsc@) * 100",
226 "BriefDescription": "C7 residency percent per package",
227 "MetricExpr": "(cstate_pkg@c7\\-residency@ / msr@tsc@) * 100",
|
| /Linux-v5.15/Documentation/devicetree/bindings/power/ |
| D | domain-idle-state.yaml | 41 min-residency-us:
43 The minimum residency duration in microseconds after which the idle
51 - min-residency-us
63 min-residency-us = <80>;
|
| /Linux-v5.15/tools/perf/pmu-events/arch/x86/broadwell/ |
| D | bdw-metrics.json | 311 "BriefDescription": "C3 residency percent per core",
312 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
317 "BriefDescription": "C6 residency percent per core",
318 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
323 "BriefDescription": "C7 residency percent per core",
324 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
329 "BriefDescription": "C2 residency percent per package",
330 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
335 "BriefDescription": "C3 residency percent per package",
336 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
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| /Linux-v5.15/drivers/cpuidle/governors/ |
| D | teo.c | 17 * idle state with target residency within the (known) time till the closest
34 * boundaries are aligned with the target residency parameter values of the CPU
36 * the first bin spans from 0 up to, but not including, the target residency of
38 * residency of idle state 1 up to, but not including, the target residency of
39 * idle state 2, the third bin spans from the target residency of idle state 2
40 * up to, but not including, the target residency of idle state 3 and so on.
41 * The last bin spans from the target residency of the deepest idle state
65 * 1. Find the deepest CPU idle state whose target residency does not exceed
97 * 1 (which means that the target residency of the state in question had
325 * Find the deepest idle state whose target residency does not exceed in teo_select()
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| /Linux-v5.15/tools/perf/pmu-events/arch/x86/skylake/ |
| D | skl-metrics.json | 331 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
332 "BriefDescription": "C3 residency percent per core",
337 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
338 "BriefDescription": "C6 residency percent per core",
343 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
344 "BriefDescription": "C7 residency percent per core",
349 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
350 "BriefDescription": "C2 residency percent per package",
355 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
356 "BriefDescription": "C3 residency percent per package",
[all …]
|
| /Linux-v5.15/tools/perf/pmu-events/arch/x86/broadwellx/ |
| D | bdx-metrics.json | 329 "BriefDescription": "C3 residency percent per core",
330 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
335 "BriefDescription": "C6 residency percent per core",
336 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
341 "BriefDescription": "C7 residency percent per core",
342 "MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
347 "BriefDescription": "C2 residency percent per package",
348 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
353 "BriefDescription": "C3 residency percent per package",
354 "MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
[all …]
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| /Linux-v5.15/tools/perf/pmu-events/arch/x86/icelakex/ |
| D | icx-metrics.json | 292 "BriefDescription": "C1 residency percent per core",
293 "MetricExpr": "(cstate_core@c1\\-residency@ / msr@tsc@) * 100",
298 "BriefDescription": "C6 residency percent per core",
299 "MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
304 "BriefDescription": "C2 residency percent per package",
305 "MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
310 "BriefDescription": "C6 residency percent per package",
311 "MetricExpr": "(cstate_pkg@c6\\-residency@ / msr@tsc@) * 100",
|
| /Linux-v5.15/Documentation/devicetree/bindings/powerpc/opal/ |
| D | power-mgt.txt | 21 - target-residency: The minimum time that the CPU needs to reside in
65 - ibm,cpu-idle-state-residency-ns:
67 target-residency (in ns) for the idle states in
69 property. If the property is absent, the target residency for
|
| /Linux-v5.15/Documentation/devicetree/bindings/arm/msm/ |
| D | qcom,idle-state.txt | 5 states. Idle states have different enter/exit latency and residency values.
52 power modes possible at this state is vast, the exit latency and the residency
80 min-residency-us = <2000>;
|
| /Linux-v5.15/Documentation/admin-guide/pm/ |
| D | cpuidle.rst | 134 taken into account by the governor, the *target residency* and the (worst-case)
135 *exit latency*. The target residency is the minimum time the hardware must
228 the target residency within the time until the expected wakeup, so that state is
324 them. For this purpose, it compares the target residency of each state with
326 limit. It selects the state with the target residency closest to the predicted
337 target residency.
364 the hierarchy. In that case, the `target residency and exit latency parameters
377 Then, the target residency of the |struct cpuidle_state| object representing
399 In addition to the target residency and exit latency idle state parameters
421 residency.
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| D | intel_idle.rst | 116 its target residency is based on the exit latency value. Specifically, for
117 C1-type idle states the exit latency value is also used as the target residency
120 state types (C2 and C3) the target residency value is 3 times the exit latency
121 (again, that is because it reflects the target residency to exit latency ratio
255 enter a package C-state. [That is why the exit latency and target residency
|
| /Linux-v5.15/drivers/platform/x86/ |
| D | amd-pmc.c | 183 u64 entry_time, exit_time, residency; in s0ix_stats_show() local
192 residency = exit_time - entry_time; in s0ix_stats_show()
193 do_div(residency, 48); in s0ix_stats_show()
198 seq_printf(s, "Residency Time: %lld\n", residency); in s0ix_stats_show()
|
| D | pmc_atom.c | 334 seq_printf(s, "S0IR Residency:\t%lldus\n", s0ir_tmr); in pmc_sleep_tmr_show()
335 seq_printf(s, "S0I1 Residency:\t%lldus\n", s0i1_tmr); in pmc_sleep_tmr_show()
336 seq_printf(s, "S0I2 Residency:\t%lldus\n", s0i2_tmr); in pmc_sleep_tmr_show()
337 seq_printf(s, "S0I3 Residency:\t%lldus\n", s0i3_tmr); in pmc_sleep_tmr_show()
338 seq_printf(s, "S0 Residency:\t%lldus\n", s0_tmr); in pmc_sleep_tmr_show()
|
