| /kernel/linux/linux-6.6/tools/tracing/rtla/src/ |
| D | osnoise_hist.c | 1 // SPDX-License-Identifier: GPL-2.0
31 int duration; member
67 * osnoise_free_histogram - free runtime data
75 for (cpu = 0; cpu < data->nr_cpus; cpu++) { in osnoise_free_histogram()
76 if (data->hist[cpu].samples) in osnoise_free_histogram()
77 free(data->hist[cpu].samples); in osnoise_free_histogram()
81 if (data->hist) in osnoise_free_histogram()
82 free(data->hist); in osnoise_free_histogram()
88 * osnoise_alloc_histogram - alloc runtime data
100 data->entries = entries; in osnoise_alloc_histogram()
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| D | timerlat_aa.c | 1 // SPDX-License-Identifier: GPL-2.0
25 * Per-cpu data statistics and data.
66 * If now - timestamp is <= latency, it might have influenced
137 * timerlat_aa_get_data - Get the per-cpu data from the timerlat context
142 return &taa_ctx->taa_data[cpu]; in timerlat_aa_get_data()
146 * timerlat_aa_irq_latency - Handles timerlat IRQ event
156 taa_data->curr_state = TIMERLAT_WAITING_THREAD; in timerlat_aa_irq_latency()
157 taa_data->tlat_irq_timstamp = record->ts; in timerlat_aa_irq_latency()
162 taa_data->thread_nmi_sum = 0; in timerlat_aa_irq_latency()
163 taa_data->thread_irq_sum = 0; in timerlat_aa_irq_latency()
[all …]
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| D | osnoise_top.c | 1 // SPDX-License-Identifier: GPL-2.0
38 int duration; member
70 * osnoise_free_top - free runtime data
75 free(data->cpu_data); in osnoise_free_top()
80 * osnoise_alloc_histogram - alloc runtime data
90 data->nr_cpus = nr_cpus; in osnoise_alloc_top()
93 data->cpu_data = calloc(1, sizeof(*data->cpu_data) * nr_cpus); in osnoise_alloc_top()
94 if (!data->cpu_data) in osnoise_alloc_top()
105 * osnoise_top_handler - this is the handler for osnoise tracer events
116 int cpu = record->cpu; in osnoise_top_handler()
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| D | timerlat_top.c | 1 // SPDX-License-Identifier: GPL-2.0
36 int duration; member
78 * timerlat_free_top - free runtime data
83 free(data->cpu_data); in timerlat_free_top()
88 * timerlat_alloc_histogram - alloc runtime data
99 data->nr_cpus = nr_cpus; in timerlat_alloc_top()
102 data->cpu_data = calloc(1, sizeof(*data->cpu_data) * nr_cpus); in timerlat_alloc_top()
103 if (!data->cpu_data) in timerlat_alloc_top()
108 data->cpu_data[cpu].min_irq = ~0; in timerlat_alloc_top()
109 data->cpu_data[cpu].min_thread = ~0; in timerlat_alloc_top()
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| /kernel/linux/linux-6.6/Documentation/trace/ |
| D | osnoise-tracer.rst | 5 In the context of high-performance computing (HPC), the Operating System
9 system. Moreover, hardware-related jobs can also cause noise, for example,
32 source of interferences, increasing a per-cpu interference counter. The
38 hardware-related noise. In this way, osnoise can account for any
44 -----
59 # _-----=> irqs-off
60 # / _----=> need-resched
61 # | / _---=> hardirq/softirq
62 # || / _--=> preempt-depth MAX
64 … |||| RUNTIME NOISE % OF CPU NOISE +-----------------------------+
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| /kernel/linux/linux-6.6/drivers/media/rc/ |
| D | ir-sharp-decoder.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* ir-sharp-decoder.c - handle Sharp IR Pulse/Space protocol
4 * Copyright (C) 2013-2014 Imagination Technologies Ltd.
12 #include "rc-core-priv.h"
15 #define SHARP_UNIT 40 /* us */
16 #define SHARP_BIT_PULSE (8 * SHARP_UNIT) /* 320us */
17 #define SHARP_BIT_0_PERIOD (25 * SHARP_UNIT) /* 1ms (680us space) */
18 #define SHARP_BIT_1_PERIOD (50 * SHARP_UNIT) /* 2ms (1680us space) */
19 #define SHARP_BIT_0_SPACE (17 * SHARP_UNIT) /* 680us space */
20 #define SHARP_BIT_1_SPACE (42 * SHARP_UNIT) /* 1680us space */
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| D | ir-xmp-decoder.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* ir-xmp-decoder.c - handle XMP IR Pulse/Space protocol
6 * - Based on info from http://www.hifi-remote.com
7 * - Ignore Toggle=9 frames
8 * - Ignore XMP-1 XMP-2 difference, always store 16 bit OBC
13 #include "rc-core-priv.h"
15 #define XMP_UNIT 136 /* us */
16 #define XMP_LEADER 210 /* us */
17 #define XMP_NIBBLE_PREFIX 760 /* us */
18 #define XMP_HALFFRAME_SPACE 13800 /* us */
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| /kernel/linux/linux-5.10/drivers/media/rc/ |
| D | ir-sharp-decoder.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* ir-sharp-decoder.c - handle Sharp IR Pulse/Space protocol
4 * Copyright (C) 2013-2014 Imagination Technologies Ltd.
12 #include "rc-core-priv.h"
15 #define SHARP_UNIT 40 /* us */
16 #define SHARP_BIT_PULSE (8 * SHARP_UNIT) /* 320us */
17 #define SHARP_BIT_0_PERIOD (25 * SHARP_UNIT) /* 1ms (680us space) */
18 #define SHARP_BIT_1_PERIOD (50 * SHARP_UNIT) /* 2ms (1680us space) */
19 #define SHARP_BIT_0_SPACE (17 * SHARP_UNIT) /* 680us space */
20 #define SHARP_BIT_1_SPACE (42 * SHARP_UNIT) /* 1680us space */
[all …]
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| D | ir-xmp-decoder.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* ir-xmp-decoder.c - handle XMP IR Pulse/Space protocol
6 * - Based on info from http://www.hifi-remote.com
7 * - Ignore Toggle=9 frames
8 * - Ignore XMP-1 XMP-2 difference, always store 16 bit OBC
13 #include "rc-core-priv.h"
15 #define XMP_UNIT 136 /* us */
16 #define XMP_LEADER 210 /* us */
17 #define XMP_NIBBLE_PREFIX 760 /* us */
18 #define XMP_HALFFRAME_SPACE 13800 /* us */
[all …]
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| /kernel/linux/linux-5.10/tools/testing/selftests/rcutorture/bin/ |
| D | kvm-recheck-rcuscale-ftrace.sh | 2 # SPDX-License-Identifier: GPL-2.0+
6 # printed. Intended to be invoked from kvm-recheck-rcuscale.sh after
9 # Usage: kvm-recheck-rcuscale-ftrace.sh resdir
18 if test "`grep -c 'rcu_exp_grace_period.*start' < $i/console.log`" -lt 100
23 sed -e 's/^\[[^]]*]//' < $i/console.log |
24 grep 'us : rcu_exp_grace_period' |
25 sed -e 's/us : / : /' |
26 tr -d '\015' |
39 curgpdur = $3 - starttime;
44 print "Long GP " starttime "us to " $3 "us (" curgpdur "us)";
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| /kernel/linux/linux-6.6/tools/testing/selftests/rcutorture/bin/ |
| D | kvm-recheck-rcuscale-ftrace.sh | 2 # SPDX-License-Identifier: GPL-2.0+
6 # printed. Intended to be invoked from kvm-recheck-rcuscale.sh after
9 # Usage: kvm-recheck-rcuscale-ftrace.sh resdir
18 if test "`grep -c 'rcu_exp_grace_period.*start' < $i/console.log`" -lt 100
23 sed -e 's/^\[[^]]*]//' < $i/console.log |
24 grep 'us : rcu_exp_grace_period' |
25 sed -e 's/us : / : /' |
26 tr -d '\015' |
39 curgpdur = $3 - starttime;
44 print "Long GP " starttime "us to " $3 "us (" curgpdur "us)";
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/thermal/ |
| D | thermal-idle.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-idle.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Daniel Lezcano <daniel.lezcano@linaro.org>
22 const: thermal-idle
24 A thermal-idle node describes the idle cooling device properties to
27 '#cooling-cells':
31 the cooling-maps reference. The first cell is the minimum cooling state
34 duration-us:
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/thermal/ |
| D | thermal-idle.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-idle.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Daniel Lezcano <daniel.lezcano@linaro.org>
22 const: thermal-idle
24 A thermal-idle node describes the idle cooling device properties to
27 '#cooling-cells':
31 the cooling-maps reference. The first cell is the minimum cooling state
34 duration-us:
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/power/ |
| D | domain-idle-state.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
18 const: domain-idle-states
21 "^(cpu|cluster|domain)-":
28 const: domain-idle-state
30 entry-latency-us:
33 state. Note that, the exit-latency-us duration may be guaranteed only
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/power/ |
| D | domain-idle-state.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
18 const: domain-idle-states
21 "^(cpu|cluster|domain)-":
29 const: domain-idle-state
31 entry-latency-us:
34 state. Note that, the exit-latency-us duration may be guaranteed only
[all …]
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| /kernel/linux/linux-6.6/net/mac80211/ |
| D | airtime.c | 1 // SPDX-License-Identifier: ISC
4 * Copyright (C) 2021-2022 Intel Corporation
16 /* Number of kilo-symbols (symbols * 1024) for a packet with (bps) bits per
17 * symbol. We use k-symbols to avoid rounding in the _TIME macros below.
26 ((ksyms) * 4 * 18) / 20 : /* 3.6 us per sym */ \
27 ((ksyms) * 4) /* 4.0 us per sym */ \
30 /* Transmit duration for the raw data part of an average sized packet */
42 /* Transmission time (1024 usec) for a packet containing (ksyms) * k-symbols */
45 ((ksyms) * 16 * 17) / 20 : /* 13.6 us per sym */ \
47 ((ksyms) * 16 * 18) / 20 : /* 14.4 us per sym */ \
[all …]
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| /kernel/linux/linux-5.10/net/mac80211/ |
| D | airtime.c | 1 // SPDX-License-Identifier: ISC
15 /* Number of kilo-symbols (symbols * 1024) for a packet with (bps) bits per
16 * symbol. We use k-symbols to avoid rounding in the _TIME macros below.
25 ((ksyms) * 4 * 18) / 20 : /* 3.6 us per sym */ \
26 ((ksyms) * 4) /* 4.0 us per sym */ \
29 /* Transmit duration for the raw data part of an average sized packet */
41 /* Transmission time (1024 usec) for a packet containing (ksyms) * k-symbols */
44 ((ksyms) * 16 * 17) / 20 : /* 13.6 us per sym */ \
46 ((ksyms) * 16 * 18) / 20 : /* 14.4 us per sym */ \
47 ((ksyms) * 16) /* 16.0 us per sym */ \
[all …]
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| /kernel/linux/linux-5.10/drivers/net/fddi/skfp/ |
| D | hwt.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
20 * 28-Jun-1994 sw Edit v1.6.
21 * MCA: Added support for the SK-NET FDDI-FM2 adapter. The
37 /* 28-Jun-1994 sw - Note: hwt_restart() is also used in module 'drvfbi.c'. */
44 * Start hardware timer (clock ticks are 16us).
50 * smc - A pointer to the SMT Context structure.
52 * time - The time in units of 16us to load the timer with.
66 smc->hw.t_start = time ; in hwt_start()
67 smc->hw.t_stop = 0L ; in hwt_start()
71 * if time < 16 us in hwt_start()
[all …]
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| /kernel/linux/linux-6.6/drivers/net/fddi/skfp/ |
| D | hwt.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
20 * 28-Jun-1994 sw Edit v1.6.
21 * MCA: Added support for the SK-NET FDDI-FM2 adapter. The
33 /* 28-Jun-1994 sw - Note: hwt_restart() is also used in module 'drvfbi.c'. */
40 * Start hardware timer (clock ticks are 16us).
46 * smc - A pointer to the SMT Context structure.
48 * time - The time in units of 16us to load the timer with.
62 smc->hw.t_start = time ; in hwt_start()
63 smc->hw.t_stop = 0L ; in hwt_start()
67 * if time < 16 us in hwt_start()
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| /kernel/linux/linux-6.6/tools/power/cpupower/utils/ |
| D | cpufreq-info.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
39 value[LINE_LEN - 1] = '\0'; in count_cpus()
40 if (strlen(value) < (LINE_LEN - 2)) in count_cpus()
64 printf(_(" minimum CPU frequency - maximum CPU frequency - governor\n")); in proc_cpufreq_output()
75 min_pctg = (policy->min * 100) / max; in proc_cpufreq_output()
76 max_pctg = (policy->max * 100) / max; in proc_cpufreq_output()
78 printf("CPU%3d %9lu kHz (%3d %%) - %9lu kHz (%3d %%) - %s\n", in proc_cpufreq_output()
79 cpu , policy->min, max ? min_pctg : 0, policy->max, in proc_cpufreq_output()
80 max ? max_pctg : 0, policy->governor); in proc_cpufreq_output()
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| /kernel/linux/linux-5.10/drivers/staging/vt6655/ |
| D | rxtx.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
21 #define DEFAULT_MSDU_LIFETIME_RES_64us 8000 /* 64us */
22 #define DEFAULT_MGN_LIFETIME_RES_64us 125 /* 64us */
25 /*--------------------- Export Definitions -------------------------*/
27 /*--------------------- Export Variables --------------------------*/
29 /*--------------------- Export Functions --------------------------*/
93 __le16 duration; member
99 __le16 duration; member
132 __le16 duration; member
139 __le16 duration; member
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| /kernel/linux/linux-5.10/tools/power/cpupower/utils/ |
| D | cpufreq-info.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
39 value[LINE_LEN - 1] = '\0'; in count_cpus()
40 if (strlen(value) < (LINE_LEN - 2)) in count_cpus()
64 printf(_(" minimum CPU frequency - maximum CPU frequency - governor\n")); in proc_cpufreq_output()
75 min_pctg = (policy->min * 100) / max; in proc_cpufreq_output()
76 max_pctg = (policy->max * 100) / max; in proc_cpufreq_output()
78 printf("CPU%3d %9lu kHz (%3d %%) - %9lu kHz (%3d %%) - %s\n", in proc_cpufreq_output()
79 cpu , policy->min, max ? min_pctg : 0, policy->max, in proc_cpufreq_output()
80 max ? max_pctg : 0, policy->governor); in proc_cpufreq_output()
[all …]
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| /kernel/linux/linux-6.6/drivers/staging/vt6655/ |
| D | rxtx.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
19 #define DEFAULT_MSDU_LIFETIME_RES_64us 8000 /* 64us */
20 #define DEFAULT_MGN_LIFETIME_RES_64us 125 /* 64us */
23 /*--------------------- Export Definitions -------------------------*/
25 /*--------------------- Export Variables --------------------------*/
27 /*--------------------- Export Functions --------------------------*/
91 __le16 duration; member
97 __le16 duration; member
130 __le16 duration; member
137 __le16 duration; member
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| /kernel/linux/linux-6.6/Documentation/tools/rtla/ |
| D | common_options.rst | 1 **-c**, **--cpus** *cpu-list*
3 Set the osnoise tracer to run the sample threads in the cpu-list.
5 **-H**, **--house-keeping** *cpu-list*
7 Run rtla control threads only on the given cpu-list.
9 **-d**, **--duration** *time[s|m|h|d]*
11 Set the duration of the session.
13 **-D**, **--debug**
17 **-t**, **--trace**\[*=file*]
21 **-e**, **--event** *sys:event*
23 …-t**) session. The argument can be a specific event, e.g., **-e** *sched:sched_switch*, or all eve…
[all …]
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| /kernel/linux/linux-6.6/drivers/thermal/ |
| D | cpuidle_cooling.c | 1 // SPDX-License-Identifier: GPL-2.0
21 * struct cpuidle_cooling_device - data for the idle cooling device
31 * cpuidle_cooling_runtime - Running time computation
35 * The running duration is computed from the idle injection duration
37 * means the running duration is zero. If we have a 50% ratio
38 * injection, that means we have equal duration for idle and for
39 * running duration.
43 * running = idle x ((100 / ratio) - 1)
47 * running = (idle x 100) / ratio - idle
49 * For example, if we have an injected duration of 50%, then we end up
[all …]
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