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Searched refs:watermark (Results 1 – 25 of 130) sorted by relevance

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/linux/drivers/iio/imu/inv_icm42600/
H A Dinv_icm42600_buffer.c166 static unsigned int inv_icm42600_wm_truncate(unsigned int watermark, in inv_icm42600_wm_truncate() argument
172 wm_size = watermark * packet_size; in inv_icm42600_wm_truncate()
206 unsigned int wm_gyro, wm_accel, watermark; in inv_icm42600_buffer_update_watermark() local
216 wm_gyro = inv_icm42600_wm_truncate(st->fifo.watermark.gyro, packet_size); in inv_icm42600_buffer_update_watermark()
217 wm_accel = inv_icm42600_wm_truncate(st->fifo.watermark.accel, packet_size); in inv_icm42600_buffer_update_watermark()
229 watermark = wm_accel; in inv_icm42600_buffer_update_watermark()
230 st->fifo.watermark.eff_accel = wm_accel; in inv_icm42600_buffer_update_watermark()
232 watermark = wm_gyro; in inv_icm42600_buffer_update_watermark()
233 st->fifo.watermark.eff_gyro = wm_gyro; in inv_icm42600_buffer_update_watermark()
246 watermark = latency / period; in inv_icm42600_buffer_update_watermark()
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/linux/drivers/net/wireless/intel/iwlwifi/mvm/
H A Dsf.c100 int i, j, watermark; in iwl_mvm_fill_sf_command() local
106 sf_cmd->watermark[SF_LONG_DELAY_ON] = cpu_to_le32(SF_W_MARK_SCAN); in iwl_mvm_fill_sf_command()
133 watermark = SF_W_MARK_SISO; in iwl_mvm_fill_sf_command()
136 watermark = SF_W_MARK_MIMO2; in iwl_mvm_fill_sf_command()
139 watermark = SF_W_MARK_MIMO3; in iwl_mvm_fill_sf_command()
143 watermark = SF_W_MARK_LEGACY; in iwl_mvm_fill_sf_command()
147 watermark = SF_W_MARK_MIMO2; in iwl_mvm_fill_sf_command()
149 sf_cmd->watermark[SF_FULL_ON] = cpu_to_le32(watermark); in iwl_mvm_fill_sf_command()
/linux/arch/arm/mach-alpine/
H A Dalpine_cpu_pm.c47 uint32_t watermark; in alpine_cpu_pm_init() local
57 watermark = readl(&al_cpu_resume_regs->watermark); in alpine_cpu_pm_init()
58 wakeup_supported = (watermark & AL_CPU_RESUME_MAGIC_NUM_MASK) in alpine_cpu_pm_init()
H A Dalpine_cpu_resume.h20 uint32_t watermark; member
/linux/kernel/events/
H A Dring_buffer.c237 if (unlikely(head - local_read(&rb->wakeup) > rb->watermark)) in __perf_output_begin()
238 local_add(rb->watermark, &rb->wakeup); in __perf_output_begin()
314 ring_buffer_init(struct perf_buffer *rb, long watermark, int flags) in ring_buffer_init() argument
318 if (watermark) in ring_buffer_init()
319 rb->watermark = min(max_size, watermark); in ring_buffer_init()
321 if (!rb->watermark) in ring_buffer_init()
322 rb->watermark = max_size / 2; in ring_buffer_init()
678 pgoff_t pgoff, int nr_pages, long watermark, int flags) in rb_alloc_aux() argument
695 if (!watermark) in rb_alloc_aux()
696 watermark = min_t(unsigned long, in rb_alloc_aux()
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H A Dinternal.h32 long watermark; /* wakeup watermark */ member
82 rb_alloc(int nr_pages, long watermark, int cpu, int flags);
85 pgoff_t pgoff, int nr_pages, long watermark, int flags);
/linux/fs/bcachefs/
H A Dalloc_foreground.c192 static inline unsigned open_buckets_reserved(enum bch_watermark watermark) in open_buckets_reserved() argument
194 switch (watermark) { in open_buckets_reserved()
211 enum bch_watermark watermark, in __try_alloc_bucket() argument
241 if (unlikely(c->open_buckets_nr_free <= open_buckets_reserved(watermark))) { in __try_alloc_bucket()
279 enum bch_watermark watermark, u64 free_entry, in try_alloc_bucket() argument
368 ob = __try_alloc_bucket(c, ca, b, watermark, a, s, cl); in try_alloc_bucket()
388 enum bch_watermark watermark, in bch2_bucket_alloc_early() argument
455 ob = __try_alloc_bucket(trans->c, ca, k.k->p.offset, watermark, a, s, cl); in bch2_bucket_alloc_early()
481 enum bch_watermark watermark, in bch2_bucket_alloc_freelist() argument
525 ob = try_alloc_bucket(trans, ca, watermark, in bch2_bucket_alloc_freelist()
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H A Dbuckets.h207 static inline u64 bch2_dev_buckets_reserved(struct bch_dev *ca, enum bch_watermark watermark) in bch2_dev_buckets_reserved() argument
211 switch (watermark) { in bch2_dev_buckets_reserved()
237 enum bch_watermark watermark) in dev_buckets_free() argument
242 bch2_dev_buckets_reserved(ca, watermark)); in dev_buckets_free()
247 enum bch_watermark watermark) in __dev_buckets_available() argument
255 - bch2_dev_buckets_reserved(ca, watermark)); in __dev_buckets_available()
259 enum bch_watermark watermark) in dev_buckets_available() argument
261 return __dev_buckets_available(ca, bch2_dev_usage_read(ca), watermark); in dev_buckets_available()
H A Dio_write.h54 return op->watermark == BCH_WATERMARK_copygc in index_update_wq()
77 op->watermark = BCH_WATERMARK_normal; in bch2_write_op_init()
H A Djournal_reclaim.c61 unsigned watermark = low_on_space || low_on_pin || low_on_wb in bch2_journal_set_watermark() local
72 swap(watermark, j->watermark); in bch2_journal_set_watermark()
73 if (watermark > j->watermark) in bch2_journal_set_watermark()
682 if (j->watermark != BCH_WATERMARK_stripe) in __bch2_journal_reclaim()
/linux/kernel/cgroup/
H A Dmisc.c129 old = atomic64_read(&res->watermark); in misc_cg_update_watermark()
132 if (atomic64_cmpxchg(&res->watermark, old, new_usage) == old) in misc_cg_update_watermark()
343 u64 watermark; in misc_cg_peak_show() local
347 watermark = atomic64_read(&cg->res[i].watermark); in misc_cg_peak_show()
348 if (READ_ONCE(misc_res_capacity[i]) || watermark) in misc_cg_peak_show()
349 seq_printf(sf, "%s %llu\n", misc_res_name[i], watermark); in misc_cg_peak_show()
H A Dpids.c58 int64_t watermark; member
102 if (nr_pids > READ_ONCE(p->watermark)) in pids_update_watermark()
103 WRITE_ONCE(p->watermark, nr_pids); in pids_update_watermark()
358 return READ_ONCE(pids->watermark); in pids_peak_read()
/linux/drivers/iio/buffer/
H A Dindustrialio-buffer-cb.c110 size_t watermark) in iio_channel_cb_set_buffer_watermark() argument
112 if (!watermark) in iio_channel_cb_set_buffer_watermark()
114 cb_buff->buffer.watermark = watermark; in iio_channel_cb_set_buffer_watermark()
/linux/tools/perf/arch/arm64/util/
H A Darm-spe.c482 u64 i, watermark; in arm_spe_reference()
497 watermark = buf_size - 512; in arm_spe_recording_free()
510 if (head > watermark) in arm_spe_recording_init()
511 watermark = head; in arm_spe_recording_init()
516 watermark /= sizeof(u64); in arm_spe_recording_init()
523 for (i = watermark; i < buf_size; i++) in arm_spe_recording_init()
380 u64 i, watermark; arm_spe_buffer_has_wrapped() local
/linux/drivers/gpu/drm/amd/display/dc/dml2/
H A Ddml2_utils.c375 void dml2_extract_watermark_set(struct dcn_watermarks *watermark, struct display_mode_lib_st *dml_c… in dml2_extract_watermark_set() argument
377 watermark->urgent_ns = dml_get_wm_urgent(dml_core_ctx) * 1000; in dml2_extract_watermark_set()
378 …watermark->cstate_pstate.cstate_enter_plus_exit_ns = dml_get_wm_stutter_enter_exit(dml_core_ctx) *… in dml2_extract_watermark_set()
379 watermark->cstate_pstate.cstate_exit_ns = dml_get_wm_stutter_exit(dml_core_ctx) * 1000; in dml2_extract_watermark_set()
380 watermark->cstate_pstate.pstate_change_ns = dml_get_wm_dram_clock_change(dml_core_ctx) * 1000; in dml2_extract_watermark_set()
381 watermark->pte_meta_urgent_ns = dml_get_wm_memory_trip(dml_core_ctx) * 1000; in dml2_extract_watermark_set()
382 watermark->frac_urg_bw_nom = dml_get_fraction_of_urgent_bandwidth(dml_core_ctx) * 1000; in dml2_extract_watermark_set()
383 watermark->frac_urg_bw_flip = dml_get_fraction_of_urgent_bandwidth_imm_flip(dml_core_ctx) * 1000; in dml2_extract_watermark_set()
384 watermark->urgent_latency_ns = dml_get_urgent_latency(dml_core_ctx) * 1000; in dml2_extract_watermark_set()
385 watermark->cstate_pstate.fclk_pstate_change_ns = dml_get_wm_fclk_change(dml_core_ctx) * 1000; in dml2_extract_watermark_set()
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/linux/mm/
H A Dpage_counter.c103 if (new > READ_ONCE(c->watermark)) in page_counter_charge()
104 WRITE_ONCE(c->watermark, new); in page_counter_charge()
159 if (new > READ_ONCE(c->watermark)) in page_counter_try_charge()
160 WRITE_ONCE(c->watermark, new); in page_counter_try_charge()
H A Dpage_reporting.c264 unsigned long watermark; in page_reporting_process_zone() local
268 watermark = low_wmark_pages(zone) + in page_reporting_process_zone()
275 if (!zone_watermark_ok(zone, 0, watermark, 0, ALLOC_CMA)) in page_reporting_process_zone()
/linux/include/linux/
H A Dpage_counter.h28 unsigned long watermark; member
96 counter->watermark = usage; in page_counter_reset_watermark()
/linux/drivers/iio/
H A Dindustrialio-buffer.c172 to_wait = min_t(size_t, n / datum_size, rb->watermark); in iio_buffer_read()
286 if (iio_buffer_ready(indio_dev, rb, rb->watermark, 0)) in iio_buffer_poll()
373 if (!buffer->watermark) in iio_buffer_init()
374 buffer->watermark = 1; in iio_buffer_init()
722 if (buffer->length && buffer->length < buffer->watermark) in length_store()
723 buffer->watermark = buffer->length; in length_store()
880 unsigned int watermark; member
908 config->watermark = ~0; in iio_verify_update()
924 config->watermark = min(config->watermark, buffer->watermark); in iio_verify_update()
929 config->watermark = min(config->watermark, in iio_verify_update()
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/linux/drivers/gpu/drm/nouveau/nvkm/engine/disp/
H A Dior.h88 u32 watermark, u32 hblanksym, u32 vblanksym);
95 void (*watermark)(struct nvkm_ior *, int head, u8 watermark); member
/linux/drivers/scsi/elx/efct/
H A Defct_lio.c1165 int watermark; in efct_lio_setup_session() local
1212 watermark = efct->tgt_efct.watermark_max - in efct_lio_setup_session()
1214 watermark = (efct->tgt_efct.watermark_min > watermark) ? in efct_lio_setup_session()
1215 efct->tgt_efct.watermark_min : watermark; in efct_lio_setup_session()
1216 atomic_set(&efct->tgt_efct.io_high_watermark, watermark); in efct_lio_setup_session()
1283 int watermark; in efct_scsi_del_initiator() local
1312 watermark = efct->tgt_efct.watermark_max - in efct_scsi_del_initiator()
1314 watermark = (efct->tgt_efct.watermark_min > watermark) ? in efct_scsi_del_initiator()
1315 efct->tgt_efct.watermark_min : watermark; in efct_scsi_del_initiator()
1316 atomic_set(&efct->tgt_efct.io_high_watermark, watermark); in efct_scsi_del_initiator()
/linux/Documentation/iio/
H A Diio_devbuf.rst38 ``watermark``
44 Poll will block until the watermark is reached.
47 the low watermark is available.
50 there are less samples than the watermark level. This allows the application to
/linux/drivers/net/ethernet/intel/igc/
H A Digc_tsn.c183 u32 retxctl, watermark; in igc_tsn_set_retx_qbvfullthreshold() local
186 watermark = retxctl & IGC_RETX_CTL_WATERMARK_MASK; in igc_tsn_set_retx_qbvfullthreshold()
188 retxctl |= (watermark << IGC_RETX_CTL_QBVFULLTH_SHIFT) | in igc_tsn_set_retx_qbvfullthreshold()
/linux/Documentation/mm/
H A Dbalance.rst82 its watermark.
86 the number of pages falls below watermark[WMARK_MIN], the hysteric field
88 watermark[WMARK_HIGH]. When low_on_memory is set, page allocation requests will
92 pages is below watermark[WMARK_LOW]; in which case zone_wake_kswapd is also set.
/linux/tools/perf/tests/attr/
H A Dtest-record-no-buffering

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