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Searched refs:delta (Results 1 – 25 of 651) sorted by relevance

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/linux/kernel/sched/
H A Dloadavg.c82 long nr_active, delta = 0; in calc_load_fold_active() local
88 delta = nr_active - this_rq->calc_load_active; in calc_load_fold_active()
92 return delta; in calc_load_fold_active()
237 long delta; in calc_load_nohz_fold() local
239 delta = calc_load_fold_active(rq, 0); in calc_load_nohz_fold()
240 if (delta) { in calc_load_nohz_fold()
243 atomic_long_add(delta, &calc_load_nohz[idx]); in calc_load_nohz_fold()
288 long delta = 0; in calc_load_nohz_read() local
291 delta = atomic_long_xchg(&calc_load_nohz[idx], 0); in calc_load_nohz_read()
293 return delta; in calc_load_nohz_read()
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H A Dstats.c24 u64 delta = rq_clock(rq) - schedstat_val(stats->wait_start); in __update_stats_wait_end() local
33 __schedstat_set(stats->wait_start, delta); in __update_stats_wait_end()
38 trace_sched_stat_wait(p, delta); in __update_stats_wait_end()
42 max(schedstat_val(stats->wait_max), delta)); in __update_stats_wait_end()
44 __schedstat_add(stats->wait_sum, delta); in __update_stats_wait_end()
57 u64 delta = rq_clock(rq) - sleep_start; in __update_stats_enqueue_sleeper() local
59 if ((s64)delta < 0) in __update_stats_enqueue_sleeper()
60 delta = 0; in __update_stats_enqueue_sleeper()
62 if (unlikely(delta > schedstat_val(stats->sleep_max))) in __update_stats_enqueue_sleeper()
63 __schedstat_set(stats->sleep_max, delta); in __update_stats_enqueue_sleeper()
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H A Dstats.h13 rq_sched_info_arrive(struct rq *rq, unsigned long long delta) in rq_sched_info_arrive() argument
16 rq->rq_sched_info.run_delay += delta; in rq_sched_info_arrive()
25 rq_sched_info_depart(struct rq *rq, unsigned long long delta) in rq_sched_info_depart() argument
28 rq->rq_cpu_time += delta; in rq_sched_info_depart()
32 rq_sched_info_dequeue(struct rq *rq, unsigned long long delta) in rq_sched_info_dequeue() argument
35 rq->rq_sched_info.run_delay += delta; in rq_sched_info_dequeue()
72 static inline void rq_sched_info_arrive (struct rq *rq, unsigned long long delta) { } in rq_sched_info_arrive() argument
73 static inline void rq_sched_info_dequeue(struct rq *rq, unsigned long long delta) { } in rq_sched_info_dequeue() argument
74 static inline void rq_sched_info_depart (struct rq *rq, unsigned long long delta) { } in rq_sched_info_depart() argument
248 unsigned long long delta = 0; in sched_info_dequeue() local
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H A Dpelt.c103 accumulate_sum(u64 delta, struct sched_avg *sa, in accumulate_sum() argument
106 u32 contrib = (u32)delta; /* p == 0 -> delta < 1024 */ in accumulate_sum()
109 delta += sa->period_contrib; in accumulate_sum()
110 periods = delta / 1024; /* A period is 1024us (~1ms) */ in accumulate_sum()
124 delta %= 1024; in accumulate_sum()
137 1024 - sa->period_contrib, delta); in accumulate_sum()
140 sa->period_contrib = delta; in accumulate_sum()
184 u64 delta; in ___update_load_sum() local
186 delta = now - sa->last_update_time; in ___update_load_sum()
191 if ((s64)delta < 0) { in ___update_load_sum()
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/linux/drivers/media/platform/st/sti/delta/
H A Ddelta-ipc.c114 struct delta_dev *delta = pctx->dev; in delta_ipc_open() local
115 struct rpmsg_device *rpmsg_device = delta->rpmsg_device; in delta_ipc_open()
122 dev_err(delta->dev, in delta_ipc_open()
130 dev_err(delta->dev, in delta_ipc_open()
137 dev_err(delta->dev, in delta_ipc_open()
144 dev_err(delta->dev, in delta_ipc_open()
151 dev_err(delta->dev, in delta_ipc_open()
187 dev_err(delta->dev, in delta_ipc_open()
197 dev_err(delta->dev, in delta_ipc_open()
207 dev_err(delta->dev, in delta_ipc_open()
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H A DMakefile2 obj-$(CONFIG_VIDEO_STI_DELTA_DRIVER) += st-delta.o
3 st-delta-y := delta-v4l2.o delta-mem.o delta-ipc.o delta-debug.o
6 st-delta-$(CONFIG_VIDEO_STI_DELTA_MJPEG) += delta-mjpeg-hdr.o
7 st-delta-$(CONFIG_VIDEO_STI_DELTA_MJPEG) += delta-mjpeg-dec.o
H A Ddelta-mem.c13 struct delta_dev *delta = ctx->dev; in hw_alloc() local
18 addr = dma_alloc_attrs(delta->dev, size, &dma_addr, in hw_alloc()
21 dev_err(delta->dev, in hw_alloc()
34 dev_dbg(delta->dev, in hw_alloc()
43 struct delta_dev *delta = ctx->dev; in hw_free() local
45 dev_dbg(delta->dev, in hw_free()
49 dma_free_attrs(delta->dev, buf->size, in hw_free()
/linux/rust/kernel/time/
H A Ddelay.rs30 pub fn fsleep(delta: Delta) { in fsleep()
35 let delta = if (Delta::ZERO..=MAX_DELTA).contains(&delta) { in fsleep() localVariable
36 delta in fsleep()
47 bindings::fsleep(delta.as_micros_ceil() as c_ulong) in fsleep()
63 pub fn udelay(delta: Delta) { in udelay()
66 debug_assert!(delta.as_nanos() >= 0); in udelay()
67 debug_assert!(delta <= MAX_UDELAY_DELTA); in udelay()
69 let delta = if (Delta::ZERO..=MAX_UDELAY_DELTA).contains(&delta) { in udelay() localVariable
70 delta in udelay()
84 bindings::udelay(delta.as_micros_ceil() as c_ulong) in udelay()
/linux/kernel/trace/
H A Dtrace_benchmark.c41 u64 delta; in trace_do_benchmark() local
60 delta = stop - start; in trace_do_benchmark()
67 bm_first = delta; in trace_do_benchmark()
73 bm_last = delta; in trace_do_benchmark()
75 if (delta > bm_max) in trace_do_benchmark()
76 bm_max = delta; in trace_do_benchmark()
77 if (!bm_min || delta < bm_min) in trace_do_benchmark()
78 bm_min = delta; in trace_do_benchmark()
92 bm_total += delta; in trace_do_benchmark()
93 bm_totalsq += delta * delta; in trace_do_benchmark()
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H A Dtrace_benchmark.h17 TP_PROTO(const char *str, u64 delta),
19 TP_ARGS(str, delta),
23 __field( u64, delta)
28 __entry->delta = delta;
31 TP_printk("%s delta=%llu", __entry->str, __entry->delta),
/linux/tools/testing/selftests/bpf/progs/
H A Dtest_check_mtu.c39 int delta = 0; in xdp_use_helper()
45 if (bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0)) { in xdp_use_helper()
68 int delta; in xdp_exceed_mtu()
71 /* Exceed MTU with 1 via delta adjust */ in xdp_exceed_mtu()
72 delta = GLOBAL_USER_MTU - (data_len - ETH_HLEN) + 1; in xdp_exceed_mtu()
74 err = bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0); in xdp_exceed_mtu()
94 int delta; in xdp_minus_delta()
96 /* Borderline test case: Minus delta exceeding packet length allowed */ in xdp_minus_delta()
97 delta = -((data_len - ETH_HLEN) + 1); in xdp_minus_delta()
99 /* Minus length (adjusted via delta) stil in xdp_minus_delta()
38 int delta = 0; xdp_use_helper() local
67 int delta; xdp_exceed_mtu() local
93 int delta; xdp_minus_delta() local
161 int delta = 0; tc_use_helper() local
182 int delta; tc_exceed_mtu() local
209 int delta; tc_exceed_mtu_da() local
233 int delta; tc_minus_delta() local
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H A Dcgroup_hierarchical_stats.c91 __u64 delta = 0; in BPF_PROG()
98 delta += state - pcpu_counter->prev; in BPF_PROG()
104 if (create_attach_counter(cg_id, delta, 0)) in BPF_PROG()
111 delta += total_counter->pending; in BPF_PROG()
116 total_counter->state += delta; in BPF_PROG()
120 if (!delta || !parent_cg_id) in BPF_PROG()
127 parent_counter->pending += delta; in BPF_PROG()
129 create_attach_counter(parent_cg_id, 0, delta); in BPF_PROG()
90 __u64 delta = 0; BPF_PROG() local
/linux/arch/loongarch/kvm/
H A Dtimer.c16 u64 delta; in ktime_to_tick() local
18 delta = ktime_to_ns(now); in ktime_to_tick()
19 return div_u64(delta * vcpu->arch.timer_mhz, MNSEC_PER_SEC); in ktime_to_tick()
56 unsigned long ticks, delta, period; in kvm_restore_timer() local
114 delta = 0; in kvm_restore_timer()
118 delta = ktime_to_tick(vcpu, ktime_sub(expire, now)); in kvm_restore_timer()
121 delta = ktime_to_tick(vcpu, ktime_sub(now, expire)); in kvm_restore_timer()
122 delta = period - (delta % period); in kvm_restore_timer()
132 write_gcsr_timertick(delta); in kvm_restore_timer()
142 unsigned long ticks, delta, cfg; in _kvm_save_timer() local
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/linux/drivers/net/fddi/skfp/
H A Dsmttimer.c59 u_long delta = 0 ; in smt_timer_start() local
83 delta = 0 ; in smt_timer_start()
85 if (delta + tm->tm_delta > time) { in smt_timer_start()
88 delta += tm->tm_delta ; in smt_timer_start()
93 timer->tm_delta = time - delta ; in smt_timer_start()
114 u_long delta ; in timer_done() local
120 delta = hwt_read(smc) ; in timer_done()
124 if (delta >= tm->tm_delta) { in timer_done()
126 delta -= tm->tm_delta ; in timer_done()
131 tm->tm_delta -= delta ; in timer_done()
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/linux/samples/bpf/
H A Dhbm_edt_kern.c58 long long delta = 0, delta_send; in _hbm_out_cg() local
93 delta = qdp->lasttime - curtime; in _hbm_out_cg()
95 if (delta < -BURST_SIZE_NS) { in _hbm_out_cg()
98 delta = -BURST_SIZE_NS; in _hbm_out_cg()
115 if (delta > DROP_THRESH_NS || (delta > LARGE_PKT_DROP_THRESH_NS && in _hbm_out_cg()
120 } else if (delta > MARK_THRESH_NS) { in _hbm_out_cg()
134 if (delta >= MARK_THRESH_NS + in _hbm_out_cg()
157 cwr_flag, ecn_ce_flag, &pkti, (int) delta); in _hbm_out_cg()
/linux/kernel/
H A Dtsacct.c26 u64 now_ns, delta; in bacct_add_tsk() local
34 delta = now_ns - tsk->group_leader->start_time; in bacct_add_tsk()
36 do_div(delta, NSEC_PER_USEC); in bacct_add_tsk()
37 stats->ac_tgetime = delta; in bacct_add_tsk()
38 delta = now_ns - tsk->start_time; in bacct_add_tsk()
39 do_div(delta, NSEC_PER_USEC); in bacct_add_tsk()
40 stats->ac_etime = delta; in bacct_add_tsk()
42 btime = ktime_get_real_seconds() - div_u64(delta, USEC_PER_SEC); in bacct_add_tsk()
126 u64 time, delta; in __acct_update_integrals() local
132 delta = time - tsk->acct_timexpd; in __acct_update_integrals()
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/linux/tools/arch/x86/include/asm/
H A Dpvclock.h39 static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift) in pvclock_scale_delta() argument
49 delta >>= -shift; in pvclock_scale_delta()
51 delta <<= shift; in pvclock_scale_delta()
63 : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) ); in pvclock_scale_delta()
69 : "0"(delta), in pvclock_scale_delta()
81 u64 delta = tsc - src->tsc_timestamp; in __pvclock_read_cycles() local
82 u64 offset = pvclock_scale_delta(delta, src->tsc_to_system_mul, in __pvclock_read_cycles()
/linux/tools/perf/util/bpf_skel/
H A Dkwork_top.bpf.c123 static __always_inline void update_work(struct work_key *key, __u64 delta) in update_work() argument
129 data->runtime += delta; in update_work()
132 .runtime = delta, in update_work()
141 __u64 delta; in on_sched_out() local
146 delta = ts - pelem->timestamp; in on_sched_out()
148 delta = ts - from_timestamp; in on_sched_out()
156 update_work(&key, delta); in on_sched_out()
231 __u64 delta; in on_irq_handler_exit() local
257 delta = ts - pelem->timestamp; in on_irq_handler_exit()
259 delta = ts - from_timestamp; in on_irq_handler_exit()
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H A Dfunc_latency.bpf.c77 static void update_latency(__s64 delta) in update_latency() argument
79 __u64 val = delta; in update_latency()
84 if (delta < 0) in update_latency()
88 val = delta / cmp_base; in update_latency()
109 if (delta < (cmp_base << key)) in update_latency()
120 __sync_fetch_and_add(&total, delta); // always in nsec in update_latency()
123 if (delta > max) in update_latency()
124 max = delta; in update_latency()
125 if (delta < min) in update_latency()
126 min = delta; in update_latency()
/linux/fs/xfs/
H A Dxfs_fsops.c47 xfs_rfsblock_t delta, in xfs_resizefs_init_new_ags() argument
52 xfs_rfsblock_t nb = mp->m_sb.sb_dblocks + delta; in xfs_resizefs_init_new_ags()
60 id->agno--, delta -= id->agsize) { in xfs_resizefs_init_new_ags()
79 if (delta) { in xfs_resizefs_init_new_ags()
81 error = xfs_ag_extend_space(last_pag, tp, delta); in xfs_resizefs_init_new_ags()
100 int64_t delta; in xfs_growfs_data_private() local
138 delta = nb - mp->m_sb.sb_dblocks; in xfs_growfs_data_private()
144 if (delta < 0 && nagcount < 2) in xfs_growfs_data_private()
148 if (delta == 0) in xfs_growfs_data_private()
160 if (delta > 0) in xfs_growfs_data_private()
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/linux/arch/x86/include/asm/
H A Dpvclock.h44 static __always_inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift) in pvclock_scale_delta() argument
54 delta >>= -shift; in pvclock_scale_delta()
56 delta <<= shift; in pvclock_scale_delta()
68 : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) ); in pvclock_scale_delta()
74 : "0"(delta), in pvclock_scale_delta()
86 u64 delta = tsc - src->tsc_timestamp; in __pvclock_read_cycles() local
87 u64 offset = pvclock_scale_delta(delta, src->tsc_to_system_mul, in __pvclock_read_cycles()
/linux/arch/s390/kernel/
H A Dvtime.c62 u64 delta, fac, mult, div; in update_mt_scaling() local
70 delta = cycles_new[i] - cycles_old[i]; in update_mt_scaling()
71 div += delta; in update_mt_scaling()
73 mult += delta * fac; in update_mt_scaling()
89 u64 delta; in update_tsk_timer() local
91 delta = new - *tsk_vtime; in update_tsk_timer()
93 return delta; in update_tsk_timer()
235 u64 delta = vtime_delta(); in vtime_account_kernel() local
238 lc->guest_timer += delta; in vtime_account_kernel()
240 lc->system_timer += delta; in vtime_account_kernel()
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/linux/Documentation/sound/designs/
H A Dtimestamping.rst152 playback: systime: 341121338 nsec, audio time 342000000 nsec, systime delta -878662
153 playback: systime: 426236663 nsec, audio time 427187500 nsec, systime delta -950837
154 playback: systime: 597080580 nsec, audio time 598000000 nsec, systime delta -919420
155 playback: systime: 682059782 nsec, audio time 683020833 nsec, systime delta -961051
156 playback: systime: 852896415 nsec, audio time 853854166 nsec, systime delta -957751
157 playback: systime: 937903344 nsec, audio time 938854166 nsec, systime delta -950822
163 playback: systime: 341053347 nsec, audio time 341062500 nsec, systime delta -9153
164 playback: systime: 426072447 nsec, audio time 426062500 nsec, systime delta 9947
165 playback: systime: 596899518 nsec, audio time 596895833 nsec, systime delta 3685
166 playback: systime: 681915317 nsec, audio time 681916666 nsec, systime delta -1349
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/linux/drivers/staging/rtl8723bs/hal/
H A DHalPhyRf.c64 u8 ThermalValue = 0, delta, delta_LCK, p = 0, i = 0; in ODM_TXPowerTrackingCallback_ThermalMeter() local
127 delta = in ODM_TXPowerTrackingCallback_ThermalMeter()
145 if (delta > 0 && pDM_Odm->RFCalibrateInfo.TxPowerTrackControl) { in ODM_TXPowerTrackingCallback_ThermalMeter()
147 delta = in ODM_TXPowerTrackingCallback_ThermalMeter()
152 if (delta >= TXPWR_TRACK_TABLE_SIZE) in ODM_TXPowerTrackingCallback_ThermalMeter()
153 delta = TXPWR_TRACK_TABLE_SIZE - 1; in ODM_TXPowerTrackingCallback_ThermalMeter()
160 deltaSwingTableIdx_TUP_A[delta]; in ODM_TXPowerTrackingCallback_ThermalMeter()
164 deltaSwingTableIdx_TUP_A[delta]; in ODM_TXPowerTrackingCallback_ThermalMeter()
170 deltaSwingTableIdx_TUP_B[delta]; in ODM_TXPowerTrackingCallback_ThermalMeter()
174 deltaSwingTableIdx_TUP_B[delta]; in ODM_TXPowerTrackingCallback_ThermalMeter()
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/linux/include/linux/
H A Dvmstat.h71 static inline void __count_vm_events(enum vm_event_item item, long delta) in __count_vm_events() argument
73 raw_cpu_add(vm_event_states.event[item], delta); in __count_vm_events()
76 static inline void count_vm_events(enum vm_event_item item, long delta) in count_vm_events() argument
78 this_cpu_add(vm_event_states.event[item], delta); in count_vm_events()
91 static inline void count_vm_events(enum vm_event_item item, long delta) in count_vm_events() argument
97 static inline void __count_vm_events(enum vm_event_item item, long delta) in __count_vm_events() argument
131 #define __count_zid_vm_events(item, zid, delta) \ argument
132 __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
248 __count_numa_events(struct zone *zone, enum numa_stat_item item, long delta) in __count_numa_events() argument
252 raw_cpu_add(pzstats->vm_numa_event[item], delta); in __count_numa_events()
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