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/Linux-v5.4/Documentation/block/
Dkyber-iosched.rst5 The only two tunables for the Kyber scheduler are the target latencies for
7 these target latencies.
Ddeadline-iosched.rst20 service time for a request. As we focus mainly on read latencies, this is
Dqueue-sysfs.rst51 setting is the software limit. Some devices exhibit large latencies when
53 smaller discards and potentially help reduce latencies induced by large
/Linux-v5.4/Documentation/networking/
Dtcp-thin.txt10 the service quality. Extreme latencies are caused by TCP's
19 streams provoke high latencies when using TCP is unfortunate.
33 to experience high retransmission latencies.
/Linux-v5.4/drivers/s390/scsi/
Dzfcp_scsi.c151 zfcp_sdev->latencies.write.channel.min = 0xFFFFFFFF; in zfcp_scsi_slave_alloc()
152 zfcp_sdev->latencies.write.fabric.min = 0xFFFFFFFF; in zfcp_scsi_slave_alloc()
153 zfcp_sdev->latencies.read.channel.min = 0xFFFFFFFF; in zfcp_scsi_slave_alloc()
154 zfcp_sdev->latencies.read.fabric.min = 0xFFFFFFFF; in zfcp_scsi_slave_alloc()
155 zfcp_sdev->latencies.cmd.channel.min = 0xFFFFFFFF; in zfcp_scsi_slave_alloc()
156 zfcp_sdev->latencies.cmd.fabric.min = 0xFFFFFFFF; in zfcp_scsi_slave_alloc()
157 spin_lock_init(&zfcp_sdev->latencies.lock); in zfcp_scsi_slave_alloc()
Dzfcp_def.h279 struct zfcp_latencies latencies; member
Dzfcp_sysfs.c424 struct zfcp_latencies *lat = &zfcp_sdev->latencies; \
455 struct zfcp_latencies *lat = &zfcp_sdev->latencies; \
Dzfcp_fsf.c2078 lat = &zfcp_sdev->latencies.read; in zfcp_fsf_req_trace()
2083 lat = &zfcp_sdev->latencies.write; in zfcp_fsf_req_trace()
2086 lat = &zfcp_sdev->latencies.cmd; in zfcp_fsf_req_trace()
2091 spin_lock(&zfcp_sdev->latencies.lock); in zfcp_fsf_req_trace()
2095 spin_unlock(&zfcp_sdev->latencies.lock); in zfcp_fsf_req_trace()
/Linux-v5.4/Documentation/trace/
Dhwlat_detector.rst9 detect large system latencies induced by the behavior of certain underlying
22 you are trying to keep event service latencies down in the microsecond range.
57 change to a default of 10 usecs. If any latencies that exceed the threshold is
/Linux-v5.4/kernel/
DKconfig.preempt11 throughput. It will still provide good latencies most of the
18 latencies.
/Linux-v5.4/drivers/gpu/drm/i915/
Di915_debugfs.c3350 const u16 *latencies; in pri_wm_latency_show() local
3353 latencies = dev_priv->wm.skl_latency; in pri_wm_latency_show()
3355 latencies = dev_priv->wm.pri_latency; in pri_wm_latency_show()
3357 wm_latency_show(m, latencies); in pri_wm_latency_show()
3365 const u16 *latencies; in spr_wm_latency_show() local
3368 latencies = dev_priv->wm.skl_latency; in spr_wm_latency_show()
3370 latencies = dev_priv->wm.spr_latency; in spr_wm_latency_show()
3372 wm_latency_show(m, latencies); in spr_wm_latency_show()
3380 const u16 *latencies; in cur_wm_latency_show() local
3383 latencies = dev_priv->wm.skl_latency; in cur_wm_latency_show()
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/Linux-v5.4/tools/perf/Documentation/
Dperf-sched.txt6 perf-sched - Tool to trace/measure scheduler properties (latencies)
20 'perf sched latency' to report the per task scheduling latencies
/Linux-v5.4/block/
DKconfig.iosched17 multiqueue and other fast devices. Given target latencies for reads and
DKconfig132 The IO controller will attempt to maintain average IO latencies below
/Linux-v5.4/Documentation/devicetree/bindings/powerpc/opal/
Dpower-mgt.txt60 - ibm,cpu-idle-state-latencies-ns:
62 exit-latencies (in ns) for the idle states in
/Linux-v5.4/Documentation/
Dspeculation.txt8 To improve performance and minimize average latencies, many contemporary CPUs
Dpi-futex.txt25 determinism and well-bound latencies. Even in the worst-case, PI will
/Linux-v5.4/kernel/rcu/
DKconfig.debug91 Say N here if you need ultimate kernel/user switch latencies
/Linux-v5.4/Documentation/admin-guide/device-mapper/
Dstatistics.rst19 histogram of latencies. All these counters may be accessed by sending
74 collect histogram of latencies. The
/Linux-v5.4/Documentation/sound/cards/
Demu10k1-jack.rst20 channels. With a post 2.6.9 Linux kernel, latencies down to 64 (1.33 ms) or
/Linux-v5.4/Documentation/driver-api/
Dpps.rst75 you should take into account the latencies and jitter introduced by
240 latencies. But if it is too small slave won't be able to capture clear edge
/Linux-v5.4/Documentation/timers/
Dno_hz.rst92 in order to avoid degrading from-idle transition latencies.
240 eliminate scheduling-clock interrupt latencies. Here are some
254 to degrade your latencies -- and that this degradation can
/Linux-v5.4/arch/sh/mm/
DKconfig116 the address space, each with varying latencies. This enables
/Linux-v5.4/drivers/cpufreq/
DKconfig.x86230 slowdowns and noticeable latencies. Normally Speedstep should be used
/Linux-v5.4/Documentation/scheduler/
Dsched-design-CFS.rst99 which can be used to tune the scheduler from "desktop" (i.e., low latencies) to

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