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/linux/tools/testing/selftests/drivers/net/netdevsim/
H A Dethtool-coalesce.sh34 ["rx-usecs"]="rx-usecs"
36 ["rx-usecs-irq"]="rx-usecs-irq"
38 ["tx-usecs"]="tx-usecs"
40 ["tx-usecs-irq"]="tx-usecs-irq"
42 ["stats-block-usecs"]="stats-block-usecs"
44 ["rx-usecs-low"]="rx-usecs-low"
45 ["tx-usecs-low"]="tx-usecs-low"
47 ["rx-usecs-high"]="rx-usecs-high"
48 ["tx-usecs-high"]="tx-usecs-high"
57 ["rx-usecs"]=""
[all …]
/linux/kernel/time/
H A Dtest_udelay.c6 * Tests are configured by writing: USECS ITERATIONS
8 * Specifying usecs of 0 or negative values will run multiples tests.
27 static int udelay_test_single(struct seq_file *s, int usecs, uint32_t iters) in udelay_test_single() argument
34 int allowed_error_ns = usecs * 5; in udelay_test_single()
41 udelay(usecs); in udelay_test_single()
49 if ((time_passed + allowed_error_ns) / 1000 < usecs) in udelay_test_single()
57 seq_printf(s, "%d usecs x %d: exp=%d allowed=%d min=%d avg=%lld max=%d", in udelay_test_single()
58 usecs, iters, usecs * 1000, in udelay_test_single()
59 (usecs * 1000) - allowed_error_ns, min, avg, max); in udelay_test_single()
69 int usecs; in udelay_test_show() local
[all …]
/linux/arch/parisc/include/asm/
H A Ddelay.h13 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()
/linux/Documentation/trace/
H A Dhwlat_detector.rst50 - 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)
/linux/Documentation/networking/device_drivers/ethernet/intel/
H A Didpf.rst101 - Setting rx-usecs and tx-usecs to 80 will limit interrupts to about
104 # ethtool -C <ethX> adaptive-rx off adaptive-tx off rx-usecs 80
105 tx-usecs 80
108 - Disable adaptive ITR and ITR by setting rx-usecs and tx-usecs to 0
111 # ethtool -C <ethX> adaptive-rx off adaptive-tx off rx-usecs 0
112 tx-usecs 0
122 rx-usecs 10
/linux/drivers/net/wireless/ath/
H A Ddfs_pri_detector.h27 * @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
/linux/include/linux/
H A Dlatencytop.h31 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()
44 account_scheduler_latency(struct task_struct *task, int usecs, int inter) in account_scheduler_latency() argument
/linux/tools/testing/selftests/ftrace/test.d/trigger/inter-event/
H A Dtrigger-inter-event-combined-hist.tc20 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_…
H A Dtrigger-field-variable-support.tc14 echo 'hist:keys=comm:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger
15 echo 'hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup…
27 echo '!hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeu…
H A Dtrigger-onmax-action-hist.tc20 echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger
21 echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmax($wakeup_lat).save(next_comm,p…
H A Dtrigger-multi-actions-accept.tc16 echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="cyclictest"' > $TRIGGER1
17 echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0 if next_comm=="cyclictest"' >> $TRI…
/linux/arch/arc/include/asm/
H A Ddelay.h37 * 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()
/linux/arch/hexagon/include/asm/
H A Ddelay.h12 extern void __udelay(unsigned long usecs);
14 #define udelay(usecs) __udelay((usecs)) argument
/linux/arch/sh/include/asm/
H A Dwatchdog.h43 * 1/32 (initial value) 41 usecs
44 * 1/64 82 usecs
45 * 1/128 164 usecs
46 * 1/256 328 usecs
47 * 1/512 656 usecs
/linux/arch/um/include/asm/
H A Ddelay.h19 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()
/linux/fs/ocfs2/cluster/
H A Dnetdebug.c135 " sock acquiry: %lld usecs ago\n" in nst_seq_show()
136 " send start: %lld usecs ago\n" in nst_seq_show()
137 " wait start: %lld usecs ago\n", in nst_seq_show()
322 " timer: %lld usecs\n" in sc_show_sock_container()
323 " data ready: %lld usecs\n" in sc_show_sock_container()
324 " advance start: %lld usecs\n" in sc_show_sock_container()
325 " advance stop: %lld usecs\n" in sc_show_sock_container()
326 " func start: %lld usecs\n" in sc_show_sock_container()
327 " func stop: %lld usecs\n" in sc_show_sock_container()
/linux/drivers/usb/host/
H A Dehci-sched.c203 ps->usecs, ps->c_usecs, ps->cs_mask); in bandwidth_dbg()
211 int usecs = qh->ps.usecs; in reserve_release_intr_bandwidth() local
223 usecs = -usecs; in reserve_release_intr_bandwidth()
231 ehci->bandwidth[i] += usecs; in reserve_release_intr_bandwidth()
334 * periodic transfer of the specified length (usecs), starting at the
362 unsigned usecs = ps->tt_usecs; in tt_available() local
372 if (tt->bandwidth[frame] + usecs > 900) in tt_available()
387 if (usecs > 125) { in tt_available()
388 int ufs = (usecs / 125); in tt_available()
395 tt_usecs[uframe] += usecs; in tt_available()
[all …]
/linux/arch/riscv/lib/
H A Ddelay.c85 void udelay(unsigned long usecs) in udelay() argument
87 u64 ucycles = (u64)usecs * lpj_fine * UDELAY_MULT; in udelay()
90 if (unlikely(usecs > MAX_UDELAY_US)) { in udelay()
91 n = (u64)usecs * riscv_timebase; in udelay()
/linux/arch/alpha/lib/
H A Dudelay.c43 udelay(unsigned long usecs) in udelay() argument
45 usecs *= (((unsigned long)HZ << 32) / 1000000) * LPJ; in udelay()
46 __delay((long)usecs >> 32); in udelay()
/linux/drivers/spi/
H A Dspi-lp8841-rtc.c67 unsigned usecs, unsigned cpol, unsigned flags, in bitbang_txrx_be_cpha0_lsb() argument
80 usleep_range(usecs, usecs + 1); /* T(setup) */ in bitbang_txrx_be_cpha0_lsb()
88 usleep_range(usecs, usecs + 1); in bitbang_txrx_be_cpha0_lsb()
/linux/tools/include/nolibc/
H A Dunistd.h77 int usleep(unsigned int usecs) in usleep() argument
79 struct timeval my_timeval = { usecs / 1000000, usecs % 1000000 }; in usleep()
/linux/arch/microblaze/include/asm/
H A Ddelay.h25 * loops = (4294 * usecs * loops_per_jiffy * HZ) / 2^32.
28 * We choose a = usecs * 19 * HZ and b = loops_per_jiffy * 226
31 * Thus we need usecs * HZ <= (2^32 - 1) / 19 = 226050910 and
/linux/rust/helpers/
H A Dtime.c7 void rust_helper_fsleep(unsigned long usecs) in rust_helper_fsleep() argument
9 fsleep(usecs); in rust_helper_fsleep()
/linux/drivers/char/tpm/
H A Dtpm_tis_core.h58 TIS_TIMEOUT_MIN_ATML = 14700, /* usecs */
59 TIS_TIMEOUT_MAX_ATML = 15000, /* usecs */
113 unsigned int timeout_min; /* usecs */
114 unsigned int timeout_max; /* usecs */
/linux/tools/perf/Documentation/
H A Dperf-bench.txt34 5.855061 usecs/op
143 8.091833 usecs/op
150 16.948000 usecs/op
160 6.886208 usecs/op
168 Suite for evaluating performance of core system call throughput (both usecs/op and ops/sec metrics).

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