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/linux/include/linux/
H A Djiffies.h23 #if HZ >= 12 && HZ < 24
25 #elif HZ >= 24 && HZ < 48
27 #elif HZ >= 48 && HZ < 96
29 #elif HZ >= 96 && HZ < 192
31 #elif HZ >= 192 && HZ < 384
33 #elif HZ >= 384 && HZ < 768
35 #elif HZ >= 768 && HZ < 1536
37 #elif HZ >= 1536 && HZ < 3072
39 #elif HZ >= 3072 && HZ < 6144
41 #elif HZ >= 6144 && HZ < 12288
[all …]
H A Dacct.h70 # if HZ < AHZ in jiffies_to_AHZ()
71 return x * (AHZ / HZ); in jiffies_to_AHZ()
73 return x / (HZ / AHZ); in jiffies_to_AHZ()
/linux/Documentation/translations/zh_CN/scheduler/
H A Dsched-nice-design.rst20 nice级别的支持在历史上是与时间片长度耦合的，而时间片单位是由HZ滴答驱动的，
21 所以最小的时间片是1/HZ。
47 这种方法在一定程度上奏效了一段时间，但后来HZ=1000时，它导致1 jiffy为
53 因此，对于HZ=1000，我们将nice +19改为5毫秒，因为这感觉像是正确的最小
54 粒度——这相当于5%的CPU利用率。但nice +19的根本的HZ敏感属性依然保持不变，
58 总结一下：我们一直想让nice各级别一致性更强，但在HZ和jiffies的限制下，以及
85 为了解决第一个抱怨（nice级别不够“有力”），调度器与“时间片”、HZ的概念
87 更一致的nice +19支持：在新的调度器中，nice +19的任务得到一个HZ无关的
/linux/arch/microblaze/include/asm/
H A Ddelay.h36 #define __MAX_UDELAY (226050910UL/HZ) /* maximum udelay argument */
37 #define __MAX_NDELAY (4294967295UL/HZ) /* maximum ndelay argument */
65 __udelay((n) * (19 * HZ)); \
67 __udelay((n) * (19 * HZ)); \
77 __udelay((n) * HZ); \
79 __udelay((n) * HZ); \
/linux/net/bridge/
H A Dbr_private_stp.h16 #define BR_MIN_HELLO_TIME (1*HZ)
17 #define BR_MAX_HELLO_TIME (10*HZ)
19 #define BR_MIN_FORWARD_DELAY (2*HZ)
20 #define BR_MAX_FORWARD_DELAY (30*HZ)
22 #define BR_MIN_MAX_AGE (6*HZ)
23 #define BR_MAX_MAX_AGE (40*HZ)
/linux/arch/mips/sni/
H A Dtime.c15 #define SNI_COUNTER0_DIV ((SNI_CLOCK_TICK_RATE / SNI_COUNTER2_DIV) / HZ)
76 #define SNI_8254_TCSAMP_COUNTER ((SNI_8254_TICK_RATE / HZ) + 255)
107 return (ct1 - ct0) / (500000/HZ) * (500000/HZ); in dosample()
153 (int) (r4k_tick / (500000 / HZ)), in plat_time_init()
154 (int) (r4k_tick % (500000 / HZ))); in plat_time_init()
156 mips_hpt_frequency = r4k_tick * HZ; in plat_time_init()
/linux/net/netfilter/
H A Dnf_conntrack_proto_udp.c28 [UDP_CT_UNREPLIED] = 30*HZ,
29 [UDP_CT_REPLIED] = 120*HZ,
113 ct->proto.udp.stream_ts = 2 * HZ + jiffies; in nf_conntrack_udp_packet()
163 ntohl(nla_get_be32(tb[CTA_TIMEOUT_UDP_UNREPLIED])) * HZ; in udp_timeout_nlattr_to_obj()
167 ntohl(nla_get_be32(tb[CTA_TIMEOUT_UDP_REPLIED])) * HZ; in udp_timeout_nlattr_to_obj()
178 htonl(timeouts[UDP_CT_UNREPLIED] / HZ)) || in udp_timeout_obj_to_nlattr()
180 htonl(timeouts[UDP_CT_REPLIED] / HZ))) in udp_timeout_obj_to_nlattr()
204 un->offload_timeout = 30 * HZ; in nf_conntrack_udp_init_net()
/linux/arch/mips/sgi-ip22/
H A Dip22-time.c63 return (ct1 - ct0) / (500000/HZ) * (500000/HZ); in dosample()
109 (int) (r4k_tick / (500000 / HZ)), in plat_time_init()
110 (int) (r4k_tick % (500000 / HZ))); in plat_time_init()
112 mips_hpt_frequency = r4k_tick * HZ; in plat_time_init()
H A Dip22-reset.c37 #define POWERDOWN_FREQ (HZ / 4)
38 #define PANIC_FREQ (HZ / 8)
104 debounce_timer.expires = jiffies + (HZ / 20); /* 0.05s */ in debounce()
136 power_timer.expires = jiffies + POWERDOWN_TIMEOUT * HZ; in power_button()
/linux/drivers/net/ethernet/dec/tulip/
H A Dtimer.c24 int next_tick = 2*HZ; in tulip_media_task()
46 next_tick = 60*HZ; in tulip_media_task()
104 next_tick = (24*HZ)/10; in tulip_media_task()
111 next_tick = 3*HZ; in tulip_media_task()
114 next_tick = 60*HZ; in tulip_media_task()
145 int next_tick = 60*HZ; in mxic_timer()
161 int next_tick = 2*HZ; in comet_timer()
H A Dpnic.c68 if (! tp->nwayset || time_after(jiffies, dev_trans_start(dev) + 1*HZ)) { in pnic_lnk_change()
92 int next_tick = 60*HZ; in pnic_timer()
106 next_tick = 3*HZ; in pnic_timer()
119 next_tick = 1*HZ; in pnic_timer()
123 next_tick = 60*HZ; in pnic_timer()
131 next_tick = 3*HZ; in pnic_timer()
134 next_tick = 1*HZ; in pnic_timer()
H A D21142.c35 int next_tick = 60*HZ; in t21142_media_task()
48 next_tick = 3*HZ; in t21142_media_task()
51 next_tick = 60*HZ; in t21142_media_task()
68 next_tick = 3*HZ; in t21142_media_task()
101 next_tick = 3*HZ; in t21142_media_task()
221 tp->timer.expires = RUN_AT(3*HZ); in t21142_lnk_change()
231 tp->timer.expires = RUN_AT(3*HZ); in t21142_lnk_change()
/linux/drivers/net/wireless/ath/ath12k/
H A Dahb.h14 #define ATH12K_AHB_RECOVERY_TIMEOUT (3 * HZ)
21 #define ATH12K_ROOTPD_READY_TIMEOUT (5 * HZ)
27 #define ATH12K_USERPD_SPAWN_TIMEOUT (5 * HZ)
28 #define ATH12K_USERPD_READY_TIMEOUT (10 * HZ)
29 #define ATH12K_USERPD_STOP_TIMEOUT (5 * HZ)
/linux/drivers/net/wireguard/
H A Dtimers.c62 jiffies + REJECT_AFTER_TIME * 3 * HZ); in wg_expired_retransmit_handshake()
88 jiffies + KEEPALIVE_TIMEOUT * HZ); in wg_expired_send_keepalive()
152 jiffies + (KEEPALIVE_TIMEOUT + REKEY_TIMEOUT) * HZ + in wg_timers_data_sent()
162 jiffies + KEEPALIVE_TIMEOUT * HZ); in wg_timers_data_received()
188 jiffies + REKEY_TIMEOUT * HZ + in wg_timers_handshake_initiated()
209 jiffies + REJECT_AFTER_TIME * 3 * HZ); in wg_timers_session_derived()
219 jiffies + peer->persistent_keepalive_interval * HZ); in wg_timers_any_authenticated_packet_traversal()
/linux/arch/mips/include/asm/
H A Ddelay.h24 #if HZ >= 1000
26 #elif HZ <= 200
29 #define MAX_UDELAY_MS (1000 / HZ)
/linux/arch/loongarch/include/asm/
H A Ddelay.h18 #if HZ >= 1000
20 #elif HZ <= 200
23 #define MAX_UDELAY_MS (1000 / HZ)
/linux/arch/m68k/include/asm/
H A Ddelay.h53 #define HZSCALE (268435456 / (1000000 / HZ))
67 __delay(xloops * HZ); in __xdelay()
114 #define HZSCALE (268435456 / (1000000 / HZ))
/linux/drivers/net/wireless/broadcom/b43/
H A Dlo.h69 #define B43_LO_CALIB_EXPIRE (HZ * (30 - 2))
70 #define B43_LO_PWRVEC_EXPIRE (HZ * (30 - 2))
71 #define B43_LO_TXCTL_EXPIRE (HZ * (180 - 4))
/linux/drivers/scsi/
H A Dipr.h216 #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
217 #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
218 #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
219 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
220 #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
221 #define IPR_CANCEL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
222 #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
223 #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
224 #define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
225 #define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
[all …]
/linux/arch/openrisc/kernel/
H A Dsetup.c217 loops_per_jiffy = *val / HZ; in calibrate_delay()
219 loops_per_jiffy / (500000 / HZ), in calibrate_delay()
220 (loops_per_jiffy / (5000 / HZ)) % 100, loops_per_jiffy); in calibrate_delay()
293 seq_printf(m, "frequency\t\t: %ld\n", loops_per_jiffy * HZ); in show_cpuinfo()
301 (loops_per_jiffy * HZ) / 500000, in show_cpuinfo()
302 ((loops_per_jiffy * HZ) / 5000) % 100); in show_cpuinfo()
/linux/drivers/net/ethernet/netronome/nfp/nfpcore/
H A Dnfp_resource.c155 unsigned long warn_at = jiffies + NFP_MUTEX_WAIT_FIRST_WARN * HZ; in nfp_resource_acquire()
156 unsigned long err_at = jiffies + NFP_MUTEX_WAIT_ERROR * HZ; in nfp_resource_acquire()
189 warn_at = jiffies + NFP_MUTEX_WAIT_NEXT_WARN * HZ; in nfp_resource_acquire()
236 unsigned long warn_at = jiffies + NFP_MUTEX_WAIT_FIRST_WARN * HZ; in nfp_resource_wait()
237 unsigned long err_at = jiffies + secs * HZ; in nfp_resource_wait()
257 warn_at = jiffies + NFP_MUTEX_WAIT_NEXT_WARN * HZ; in nfp_resource_wait()
/linux/net/x25/
H A Dx25_proc.c103 x25->va, x25_display_timer(s) / HZ, x25->t2 / HZ, in x25_seq_socket_show()
104 x25->t21 / HZ, x25->t22 / HZ, x25->t23 / HZ, in x25_seq_socket_show()
/linux/net/bridge/netfilter/
H A Debt_limit.c24 #define MAX_CPJ (0xFFFFFFFF / (HZ*60*60*24))
62 if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY)) in user2credits()
64 return (user / EBT_LIMIT_SCALE) * HZ * CREDITS_PER_JIFFY; in user2credits()
66 return (user * HZ * CREDITS_PER_JIFFY) / EBT_LIMIT_SCALE; in user2credits()
/linux/net/sunrpc/
H A Dtimer.c25 #define RPC_RTO_MAX (60*HZ)
26 #define RPC_RTO_INIT (HZ/5)
27 #define RPC_RTO_MIN (HZ/10)
/linux/samples/trace_events/
H A Dtrace-events-sample.c31 schedule_timeout(HZ); in do_simple_thread_func()
77 schedule_timeout(HZ); in simple_thread_func_fn()
108 mod_timer(t, jiffies + HZ); in sample_timer_cb()
161 mod_timer(&foo_timer_data->timer, jiffies + HZ); in trace_event_init()

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