| /kernel/linux/linux-5.10/kernel/time/ |
| D | test_udelay.c | 6 * Tests are configured by writing: USECS ITERATIONS
8 * Specifying usecs of 0 or negative values will run multiples tests.
28 static int udelay_test_single(struct seq_file *s, int usecs, uint32_t iters) in udelay_test_single() argument
35 int allowed_error_ns = usecs * 5; in udelay_test_single()
42 udelay(usecs); in udelay_test_single()
50 if ((time_passed + allowed_error_ns) / 1000 < usecs) in udelay_test_single()
58 seq_printf(s, "%d usecs x %d: exp=%d allowed=%d min=%d avg=%lld max=%d", in udelay_test_single()
59 usecs, iters, usecs * 1000, in udelay_test_single()
60 (usecs * 1000) - allowed_error_ns, min, avg, max); in udelay_test_single()
70 int usecs; in udelay_test_show() local
[all …]
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| /kernel/linux/linux-4.19/kernel/time/ |
| D | test_udelay.c | 5 * Tests are configured by writing: USECS ITERATIONS
7 * Specifying usecs of 0 or negative values will run multiples tests.
36 static int udelay_test_single(struct seq_file *s, int usecs, uint32_t iters) in udelay_test_single() argument
43 int allowed_error_ns = usecs * 5; in udelay_test_single()
50 udelay(usecs); in udelay_test_single()
58 if ((time_passed + allowed_error_ns) / 1000 < usecs) in udelay_test_single()
66 seq_printf(s, "%d usecs x %d: exp=%d allowed=%d min=%d avg=%lld max=%d", in udelay_test_single()
67 usecs, iters, usecs * 1000, in udelay_test_single()
68 (usecs * 1000) - allowed_error_ns, min, avg, max); in udelay_test_single()
78 int usecs; in udelay_test_show() local
[all …]
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| /kernel/linux/linux-4.19/arch/s390/lib/ |
| D | delay.c | 34 static void __udelay_disabled(unsigned long long usecs) in __udelay_disabled() argument
40 end = get_tod_clock() + (usecs << 12); in __udelay_disabled()
54 static void __udelay_enabled(unsigned long long usecs) in __udelay_enabled() argument
58 end = get_tod_clock_fast() + (usecs << 12); in __udelay_enabled()
72 * Waits for 'usecs' microseconds using the TOD clock comparator.
74 void __udelay(unsigned long long usecs) in __udelay() argument
81 __udelay_disabled(usecs); in __udelay()
86 __udelay_disabled(usecs); in __udelay()
88 __udelay_enabled(usecs); in __udelay()
93 __udelay_disabled(usecs); in __udelay()
[all …]
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| /kernel/linux/linux-5.10/arch/s390/lib/ |
| D | delay.c | 34 static void __udelay_disabled(unsigned long long usecs) in __udelay_disabled() argument
40 end = get_tod_clock() + (usecs << 12); in __udelay_disabled()
55 static void __udelay_enabled(unsigned long long usecs) in __udelay_enabled() argument
59 end = get_tod_clock_fast() + (usecs << 12); in __udelay_enabled()
73 * Waits for 'usecs' microseconds using the TOD clock comparator.
75 void __udelay(unsigned long long usecs) in __udelay() argument
82 __udelay_disabled(usecs); in __udelay()
87 __udelay_disabled(usecs); in __udelay()
89 __udelay_enabled(usecs); in __udelay()
94 __udelay_disabled(usecs); in __udelay()
[all …]
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| /kernel/linux/linux-4.19/arch/nds32/include/asm/ |
| D | delay.h | 20 static inline void __udelay(unsigned long usecs, unsigned long lpj) in __udelay() argument
22 usecs *= (unsigned long)(((0x8000000000000000ULL / (500000 / HZ)) + in __udelay()
24 usecs = (unsigned long)(((unsigned long long)usecs * lpj) >> 32); in __udelay()
25 __delay(usecs); in __udelay()
28 #define udelay(usecs) __udelay((usecs), loops_per_jiffy) argument
30 /* make sure "usecs *= ..." in udelay do not overflow. */
|
| /kernel/linux/linux-5.10/arch/nds32/include/asm/ |
| D | delay.h | 20 static inline void __udelay(unsigned long usecs, unsigned long lpj) in __udelay() argument
22 usecs *= (unsigned long)(((0x8000000000000000ULL / (500000 / HZ)) + in __udelay()
24 usecs = (unsigned long)(((unsigned long long)usecs * lpj) >> 32); in __udelay()
25 __delay(usecs); in __udelay()
28 #define udelay(usecs) __udelay((usecs), loops_per_jiffy) argument
30 /* make sure "usecs *= ..." in udelay do not overflow. */
|
| /kernel/linux/linux-4.19/arch/parisc/include/asm/ |
| D | delay.h | 13 extern void __udelay(unsigned long usecs);
14 extern void __udelay_bad(unsigned long usecs);
16 static inline void udelay(unsigned long usecs) in udelay() argument
18 if (__builtin_constant_p(usecs) && (usecs) > 20000) in udelay()
19 __udelay_bad(usecs); in udelay()
20 __udelay(usecs); in udelay()
|
| /kernel/linux/linux-5.10/arch/parisc/include/asm/ |
| D | delay.h | 13 extern void __udelay(unsigned long usecs);
14 extern void __udelay_bad(unsigned long usecs);
16 static inline void udelay(unsigned long usecs) in udelay() argument
18 if (__builtin_constant_p(usecs) && (usecs) > 20000) in udelay()
19 __udelay_bad(usecs); in udelay()
20 __udelay(usecs); in udelay()
|
| /kernel/linux/linux-4.19/include/trace/events/ |
| D | ufs.h | 146 TP_printk("%s: %s: took %lld usecs, err %d",
167 TP_PROTO(const char *dev_name, int err, s64 usecs,
170 TP_ARGS(dev_name, err, usecs, dev_state, link_state),
173 __field(s64, usecs)
181 __entry->usecs = usecs;
189 "%s: took %lld usecs, dev_state: %s, link_state: %s, err %d",
191 __entry->usecs,
199 TP_PROTO(const char *dev_name, int err, s64 usecs,
201 TP_ARGS(dev_name, err, usecs, dev_state, link_state));
204 TP_PROTO(const char *dev_name, int err, s64 usecs,
[all …]
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| /kernel/linux/linux-5.10/include/trace/events/ |
| D | ufs.h | 138 TP_printk("%s: %s: took %lld usecs, err %d",
159 TP_PROTO(const char *dev_name, int err, s64 usecs,
162 TP_ARGS(dev_name, err, usecs, dev_state, link_state),
165 __field(s64, usecs)
173 __entry->usecs = usecs;
181 "%s: took %lld usecs, dev_state: %s, link_state: %s, err %d",
183 __entry->usecs,
191 TP_PROTO(const char *dev_name, int err, s64 usecs,
193 TP_ARGS(dev_name, err, usecs, dev_state, link_state));
196 TP_PROTO(const char *dev_name, int err, s64 usecs,
[all …]
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| /kernel/linux/linux-4.19/Documentation/trace/ |
| D | hwlat_detector.rst | 50 - width - time period to sample with CPUs held (usecs)
52 - window - total period of sampling, width being inside (usecs)
55 for every 1,000,000 usecs (1s) the hwlat detector will spin for 500,000 usecs
57 change to a default of 10 usecs. If any latencies that exceed the threshold is
74 - tracing_threshold - minimum latency value to be considered (usecs)
75 - tracing_max_latency - maximum hardware latency actually observed (usecs)
77 - hwlat_detector/width - specified amount of time to spin within window (usecs)
78 - hwlat_detector/window - amount of time between (width) runs (usecs)
|
| /kernel/linux/linux-5.10/Documentation/trace/ |
| D | hwlat_detector.rst | 50 - width - time period to sample with CPUs held (usecs)
52 - window - total period of sampling, width being inside (usecs)
55 for every 1,000,000 usecs (1s) the hwlat detector will spin for 500,000 usecs
57 change to a default of 10 usecs. If any latencies that exceed the threshold is
74 - tracing_threshold - minimum latency value to be considered (usecs)
75 - tracing_max_latency - maximum hardware latency actually observed (usecs)
77 - hwlat_detector/width - specified amount of time to spin within window (usecs)
78 - hwlat_detector/window - amount of time between (width) runs (usecs)
|
| /kernel/linux/linux-5.10/include/linux/ |
| D | delay.h | 69 static inline void fsleep(unsigned long usecs) in fsleep() argument
71 if (usecs <= 10) in fsleep()
72 udelay(usecs); in fsleep()
73 else if (usecs <= 20000) in fsleep()
74 usleep_range(usecs, 2 * usecs); in fsleep()
76 msleep(DIV_ROUND_UP(usecs, 1000)); in fsleep()
|
| D | latencytop.h | 31 void __account_scheduler_latency(struct task_struct *task, int usecs, int inter);
33 account_scheduler_latency(struct task_struct *task, int usecs, int inter) in account_scheduler_latency() argument
36 __account_scheduler_latency(task, usecs, inter); in account_scheduler_latency()
47 account_scheduler_latency(struct task_struct *task, int usecs, int inter) in account_scheduler_latency() argument
|
| /kernel/linux/linux-5.10/drivers/media/cec/core/ |
| D | cec-pin-error-inj.c | 128 if (!strcmp(token, "tx-custom-low-usecs")) { in cec_pin_error_inj_parse_line()
129 u32 usecs; in cec_pin_error_inj_parse_line() local
131 if (kstrtou32(p, 0, &usecs) || usecs > 10000000) in cec_pin_error_inj_parse_line()
133 pin->tx_custom_low_usecs = usecs; in cec_pin_error_inj_parse_line()
136 if (!strcmp(token, "tx-custom-high-usecs")) { in cec_pin_error_inj_parse_line()
137 u32 usecs; in cec_pin_error_inj_parse_line() local
139 if (kstrtou32(p, 0, &usecs) || usecs > 10000000) in cec_pin_error_inj_parse_line()
141 pin->tx_custom_high_usecs = usecs; in cec_pin_error_inj_parse_line()
284 …seq_puts(sf, "# tx-custom-low-usecs <usecs> define the 'low' time for the custom pulse\n"… in cec_pin_error_inj_show()
285 …seq_puts(sf, "# tx-custom-high-usecs <usecs> define the 'high' time for the custom pulse\n… in cec_pin_error_inj_show()
[all …]
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| /kernel/linux/linux-4.19/drivers/media/cec/ |
| D | cec-pin-error-inj.c | 128 if (!strcmp(token, "tx-custom-low-usecs")) { in cec_pin_error_inj_parse_line()
129 u32 usecs; in cec_pin_error_inj_parse_line() local
131 if (kstrtou32(p, 0, &usecs) || usecs > 10000000) in cec_pin_error_inj_parse_line()
133 pin->tx_custom_low_usecs = usecs; in cec_pin_error_inj_parse_line()
136 if (!strcmp(token, "tx-custom-high-usecs")) { in cec_pin_error_inj_parse_line()
137 u32 usecs; in cec_pin_error_inj_parse_line() local
139 if (kstrtou32(p, 0, &usecs) || usecs > 10000000) in cec_pin_error_inj_parse_line()
141 pin->tx_custom_high_usecs = usecs; in cec_pin_error_inj_parse_line()
284 …seq_puts(sf, "# tx-custom-low-usecs <usecs> define the 'low' time for the custom pulse\n"… in cec_pin_error_inj_show()
285 …seq_puts(sf, "# tx-custom-high-usecs <usecs> define the 'high' time for the custom pulse\n… in cec_pin_error_inj_show()
[all …]
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| /kernel/linux/linux-4.19/drivers/net/wireless/ath/ |
| D | dfs_pri_detector.h | 27 * @pri: pulse repetition interval (PRI) in usecs
28 * @dur: duration of sequence in usecs
31 * @first_ts: time stamp of first pulse in usecs
32 * @last_ts: time stamp of last pulse in usecs
52 * @last_ts: last pulse time stamp considered for this element in usecs
57 * @window_size: window size back from newest pulse time stamp in usecs
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| /kernel/linux/linux-5.10/drivers/net/wireless/ath/ |
| D | dfs_pri_detector.h | 27 * @pri: pulse repetition interval (PRI) in usecs
28 * @dur: duration of sequence in usecs
31 * @first_ts: time stamp of first pulse in usecs
32 * @last_ts: time stamp of last pulse in usecs
52 * @last_ts: last pulse time stamp considered for this element in usecs
57 * @window_size: window size back from newest pulse time stamp in usecs
|
| /kernel/linux/linux-4.19/include/linux/ |
| D | latencytop.h | 31 void __account_scheduler_latency(struct task_struct *task, int usecs, int inter);
33 account_scheduler_latency(struct task_struct *task, int usecs, int inter) in account_scheduler_latency() argument
36 __account_scheduler_latency(task, usecs, inter); in account_scheduler_latency()
47 account_scheduler_latency(struct task_struct *task, int usecs, int inter) in account_scheduler_latency() argument
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| /kernel/linux/linux-5.10/tools/testing/selftests/ftrace/test.d/trigger/inter-event/ |
| D | trigger-inter-event-combined-hist.tc | 20 echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger
21 echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_laten…
25 echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger
26 echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_…
|
| /kernel/linux/linux-4.19/tools/testing/selftests/ftrace/test.d/trigger/inter-event/ |
| D | trigger-inter-event-combined-hist.tc | 39 echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger
40 echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_laten…
44 echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger
45 echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_…
|
| /kernel/linux/linux-5.10/arch/hexagon/include/asm/ |
| D | delay.h | 12 extern void __udelay(unsigned long usecs);
14 #define udelay(usecs) __udelay((usecs)) argument
|
| /kernel/linux/linux-5.10/arch/arc/include/asm/ |
| D | delay.h | 37 * Normal Math for computing loops in "N" usecs
40 * loops per "N" usecs = ((loops_per_jiffy * HZ / 1000000) * N)
54 static inline void __udelay(unsigned long usecs) in __udelay() argument
61 loops = ((u64) usecs * 4295 * HZ * loops_per_jiffy) >> 32; in __udelay()
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| /kernel/linux/linux-5.10/arch/um/include/asm/ |
| D | delay.h | 19 static inline void um_udelay(unsigned long usecs) in um_udelay() argument
23 time_travel_ndelay(1000 * usecs); in um_udelay()
26 udelay(usecs); in um_udelay()
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| /kernel/linux/linux-4.19/arch/arc/include/asm/ |
| D | delay.h | 40 * Normal Math for computing loops in "N" usecs
43 * loops per "N" usecs = ((loops_per_jiffy * HZ / 1000000) * N)
57 static inline void __udelay(unsigned long usecs) in __udelay() argument
64 loops = ((u64) usecs * 4295 * HZ * loops_per_jiffy) >> 32; in __udelay()
|