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Searched refs:prev_count (Results 1 – 25 of 74) sorted by relevance

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/linux-6.15/drivers/perf/
H A Dmarvell_pem_pmu.c238 u64 prev_count, new_count; in pem_perf_event_update() local
241 prev_count = local64_read(&hwc->prev_count); in pem_perf_event_update()
243 } while (local64_xchg(&hwc->prev_count, new_count) != prev_count); in pem_perf_event_update()
245 local64_add((new_count - prev_count), &event->count); in pem_perf_event_update()
258 local64_set(&hwc->prev_count, in pem_perf_event_start()
H A Dmarvell_cn10k_ddr_pmu.c595 u64 prev_count, new_count, mask; in cn10k_ddr_perf_event_update() local
598 prev_count = local64_read(&hwc->prev_count); in cn10k_ddr_perf_event_update()
600 } while (local64_xchg(&hwc->prev_count, new_count) != prev_count); in cn10k_ddr_perf_event_update()
604 local64_add((new_count - prev_count) & mask, &event->count); in cn10k_ddr_perf_event_update()
613 local64_set(&hwc->prev_count, 0); in cn10k_ddr_perf_event_start()
733 local64_set(&hwc->prev_count, 0); in cn10k_ddr_perf_event_update_all()
856 u64 prev_count, new_count; in cn10k_ddr_pmu_overflow_handler() local
863 prev_count = local64_read(&hwc->prev_count); in cn10k_ddr_pmu_overflow_handler()
869 if (new_count < prev_count) in cn10k_ddr_pmu_overflow_handler()
876 prev_count = local64_read(&hwc->prev_count); in cn10k_ddr_pmu_overflow_handler()
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H A Darm_dmc620_pmu.c327 u64 delta, prev_count, new_count; in dmc620_pmu_event_update() local
331 prev_count = local64_read(&hwc->prev_count); in dmc620_pmu_event_update()
333 } while (local64_cmpxchg(&hwc->prev_count, in dmc620_pmu_event_update()
334 prev_count, new_count) != prev_count); in dmc620_pmu_event_update()
335 delta = (new_count - prev_count) & DMC620_CNT_MAX_PERIOD; in dmc620_pmu_event_update()
343 local64_set(&event->hw.prev_count, DMC620_CNT_INIT); in dmc620_pmu_event_set_period()
H A Darm_dsu_pmu.c334 u64 delta, prev_count, new_count; in dsu_pmu_event_update() local
338 prev_count = local64_read(&hwc->prev_count); in dsu_pmu_event_update()
340 } while (local64_cmpxchg(&hwc->prev_count, prev_count, new_count) != in dsu_pmu_event_update()
341 prev_count); in dsu_pmu_event_update()
342 delta = (new_count - prev_count) & DSU_PMU_COUNTER_MASK(hwc->idx); in dsu_pmu_event_update()
368 local64_set(&event->hw.prev_count, val); in dsu_pmu_set_event_period()
H A Dqcom_l3_pmu.c206 local64_set(&event->hw.prev_count, 0); in qcom_l3_cache__64bit_counter_start()
247 prev = local64_read(&event->hw.prev_count); in qcom_l3_cache__64bit_counter_update()
253 } while (local64_cmpxchg(&event->hw.prev_count, prev, new) != prev); in qcom_l3_cache__64bit_counter_update()
285 local64_set(&event->hw.prev_count, 0); in qcom_l3_cache__32bit_counter_start()
323 prev = local64_read(&event->hw.prev_count); in qcom_l3_cache__32bit_counter_update()
325 } while (local64_cmpxchg(&event->hw.prev_count, prev, new) != prev); in qcom_l3_cache__32bit_counter_update()
H A Driscv_pmu.c174 prev_raw_count = local64_read(&hwc->prev_count); in riscv_pmu_event_update()
176 oldval = local64_cmpxchg(&hwc->prev_count, prev_raw_count, in riscv_pmu_event_update()
233 local64_set(&hwc->prev_count, (u64)-left); in riscv_pmu_event_set_period()
252 init_val = local64_read(&hwc->prev_count) & max_period; in riscv_pmu_start()
H A Dalibaba_uncore_drw_pmu.c303 prev = local64_read(&hwc->prev_count); in ali_drw_pmu_event_update()
305 } while (local64_cmpxchg(&hwc->prev_count, prev, now) != prev); in ali_drw_pmu_event_update()
328 local64_set(&event->hw.prev_count, pre_val); in ali_drw_pmu_event_set_period()
587 local64_read(&event->hw.prev_count); in ali_drw_pmu_start()
/linux-6.15/drivers/pps/generators/
H A Dpps_gen_tio.c47 u32 prev_count; member
86 tio->prev_count = 0; in pps_tio_disable()
144 if (tio->prev_count && tio->prev_count == event_count) in hrtimer_callback()
146 tio->prev_count = event_count; in hrtimer_callback()
/linux-6.15/arch/arm/mm/
H A Dcache-l2x0-pmu.c120 u64 prev_count, new_count, mask; in l2x0_pmu_event_read() local
123 prev_count = local64_read(&hw->prev_count); in l2x0_pmu_event_read()
125 } while (local64_xchg(&hw->prev_count, new_count) != prev_count); in l2x0_pmu_event_read()
128 local64_add((new_count - prev_count) & mask, &event->count); in l2x0_pmu_event_read()
147 local64_set(&hw->prev_count, 0); in l2x0_pmu_event_configure()
/linux-6.15/arch/powerpc/perf/
H A D8xx-pmu.c115 local64_set(&event->hw.prev_count, val); in mpc8xx_pmu_add()
128 prev = local64_read(&event->hw.prev_count); in mpc8xx_pmu_read()
149 } while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev); in mpc8xx_pmu_read()
H A Dcore-fsl-emb.c175 prev = local64_read(&event->hw.prev_count); in fsl_emb_pmu_read()
178 } while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev); in fsl_emb_pmu_read()
314 local64_set(&event->hw.prev_count, val); in fsl_emb_pmu_add()
602 prev = local64_read(&event->hw.prev_count); in record_and_restart()
625 local64_set(&event->hw.prev_count, val); in record_and_restart()
H A Dvpa-pmu.c132 local64_set(&event->hw.prev_count, data); in vpa_pmu_add()
141 prev_data = local64_read(&event->hw.prev_count); in vpa_pmu_read()
H A Dcore-book3s.c1166 local64_set(&event->hw.prev_count, val); in power_pmu_read()
1176 prev = local64_read(&event->hw.prev_count); in power_pmu_read()
1182 } while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev); in power_pmu_read()
1226 prev = local64_read(&event->hw.prev_count); in freeze_limited_counters()
1245 prev = local64_read(&event->hw.prev_count); in thaw_limited_counters()
1247 local64_set(&event->hw.prev_count, val); in thaw_limited_counters()
1545 val = local64_read(&event->hw.prev_count); in power_pmu_enable()
1553 local64_set(&event->hw.prev_count, val); in power_pmu_enable()
2172 local64_set(&event->hw.prev_count, 0); in power_pmu_event_init()
2251 prev = local64_read(&event->hw.prev_count); in record_and_restart()
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/linux-6.15/fs/gfs2/
H A Dfile.c781 size_t *prev_count, in should_fault_in_pages() argument
798 if (*prev_count != count) { in should_fault_in_pages()
806 *prev_count = count; in should_fault_in_pages()
816 size_t prev_count = 0, window_size = 0; in gfs2_file_direct_read() local
857 if (should_fault_in_pages(to, iocb, &prev_count, &window_size)) { in gfs2_file_direct_read()
880 size_t prev_count = 0, window_size = 0; in gfs2_file_direct_write() local
926 enough_retries = prev_count == iov_iter_count(from) && in gfs2_file_direct_write()
928 if (should_fault_in_pages(from, iocb, &prev_count, &window_size)) { in gfs2_file_direct_write()
953 size_t prev_count = 0, window_size = 0; in gfs2_file_read_iter() local
996 if (should_fault_in_pages(to, iocb, &prev_count, &window_size)) { in gfs2_file_read_iter()
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/linux-6.15/arch/x86/events/
H A Dmsr.c247 prev = local64_read(&event->hw.prev_count); in msr_event_update()
250 } while (!local64_try_cmpxchg(&event->hw.prev_count, &prev, now)); in msr_event_update()
269 local64_set(&event->hw.prev_count, now); in msr_event_start()
/linux-6.15/drivers/iommu/intel/
H A Dperfmon.c305 u64 prev_count, new_count, delta; in iommu_pmu_event_update() local
309 prev_count = local64_read(&hwc->prev_count); in iommu_pmu_event_update()
311 if (local64_xchg(&hwc->prev_count, new_count) != prev_count) in iommu_pmu_event_update()
318 delta = (new_count << shift) - (prev_count << shift); in iommu_pmu_event_update()
344 local64_set((&hwc->prev_count), count); in iommu_pmu_start()
/linux-6.15/kernel/
H A Dsoftirq.c569 int prev_count; in handle_softirqs() local
574 prev_count = preempt_count(); in handle_softirqs()
581 if (unlikely(prev_count != preempt_count())) { in handle_softirqs()
584 prev_count, preempt_count()); in handle_softirqs()
585 preempt_count_set(prev_count); in handle_softirqs()
/linux-6.15/arch/arm/mach-imx/
H A Dmmdc.c314 prev_raw_count = local64_read(&hwc->prev_count); in mmdc_pmu_event_update()
317 } while (local64_cmpxchg(&hwc->prev_count, prev_raw_count, in mmdc_pmu_event_update()
342 local64_set(&hwc->prev_count, 0); in mmdc_pmu_event_start()
377 local64_set(&hwc->prev_count, mmdc_pmu_read_counter(pmu_mmdc, cfg)); in mmdc_pmu_event_add()
/linux-6.15/drivers/perf/hisilicon/
H A Dhisi_uncore_pmu.c308 local64_set(&hwc->prev_count, val); in hisi_uncore_pmu_set_event_period()
323 prev_raw_count = local64_read(&hwc->prev_count); in hisi_uncore_pmu_event_update()
324 } while (local64_cmpxchg(&hwc->prev_count, prev_raw_count, in hisi_uncore_pmu_event_update()
348 u64 prev_raw_count = local64_read(&hwc->prev_count); in hisi_uncore_pmu_start()
H A Dhisi_pcie_pmu.c452 prev_cnt = local64_read(&hwc->prev_count); in hisi_pcie_pmu_event_update()
454 } while (local64_cmpxchg(&hwc->prev_count, prev_cnt, in hisi_pcie_pmu_event_update()
475 local64_set(&hwc->prev_count, HISI_PCIE_INIT_VAL); in hisi_pcie_pmu_set_period()
488 local64_set(&hwc->prev_count, cnt); in hisi_pcie_pmu_set_period()
550 prev_cnt = local64_read(&hwc->prev_count); in hisi_pcie_pmu_start()
/linux-6.15/arch/xtensa/kernel/
H A Dperf_event.c152 prev_raw_count = local64_read(&hwc->prev_count); in xtensa_perf_event_update()
154 } while (local64_cmpxchg(&hwc->prev_count, prev_raw_count, in xtensa_perf_event_update()
190 local64_set(&hwc->prev_count, -left); in xtensa_perf_event_set_period()
/linux-6.15/tools/perf/arch/x86/util/
H A Diostat.c442 struct perf_counts_values *prev_count = in iostat_print_metric() local
445 prev_count_val = prev_count->val; in iostat_print_metric()
446 prev_count->val = count->val; in iostat_print_metric()
/linux-6.15/arch/sh/kernel/
H A Dperf_event.c178 prev_raw_count = local64_read(&hwc->prev_count); in sh_perf_event_update()
181 if (local64_cmpxchg(&hwc->prev_count, prev_raw_count, in sh_perf_event_update()
/linux-6.15/drivers/misc/
H A Dntsync.c411 __u32 prev_count; in ntsync_sem_release() local
424 prev_count = sem->u.sem.count; in ntsync_sem_release()
434 if (!ret && put_user(prev_count, user_args)) in ntsync_sem_release()
461 __u32 prev_count; in ntsync_mutex_unlock() local
475 prev_count = mutex->u.mutex.count; in ntsync_mutex_unlock()
485 if (!ret && put_user(prev_count, &user_args->count)) in ntsync_mutex_unlock()
/linux-6.15/arch/arc/kernel/
H A Dperf_event.c283 u64 prev_raw_count = local64_read(&hwc->prev_count); in arc_perf_event_update()
291 local64_set(&hwc->prev_count, new_raw_count); in arc_perf_event_update()
432 local64_set(&hwc->prev_count, value); in arc_pmu_event_set_period()
550 local64_set(&hwc->prev_count, 0); in arc_pmu_add()

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