| /linux-6.12.1/kernel/ |
| D | latencytop.c | 112 struct latency_record *lat) in account_global_scheduler_latency() argument
131 unsigned long record = lat->backtrace[q]; in account_global_scheduler_latency()
144 latency_record[i].time += lat->time; in account_global_scheduler_latency()
145 if (lat->time > latency_record[i].max) in account_global_scheduler_latency()
146 latency_record[i].max = lat->time; in account_global_scheduler_latency()
156 memcpy(&latency_record[i], lat, sizeof(struct latency_record)); in account_global_scheduler_latency()
180 struct latency_record lat; in __account_scheduler_latency() local
191 memset(&lat, 0, sizeof(lat)); in __account_scheduler_latency()
192 lat.count = 1; in __account_scheduler_latency()
193 lat.time = usecs; in __account_scheduler_latency()
[all …]
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| /linux-6.12.1/Documentation/trace/ |
| D | histogram.rst | 1825 with 3 fields: lat, pid, and prio. Each of those fields is simply a
1829 u64 lat; \
1838 wakeup_latency u64 lat; pid_t pid; int prio
1843 # echo '!wakeup_latency u64 lat pid_t pid int prio' >> \
1861 # echo 'hist:keys=pid,prio,lat.log2:sort=lat' >> \
1864 The above shows the latency "lat" in a power of 2 grouping.
1873 # trigger info: hist:keys=pid,prio,lat.log2:vals=hitcount:sort=lat.log2:size=2048 [active]
1876 { pid: 2035, prio: 9, lat: ~ 2^2 } hitcount: 43
1877 { pid: 2034, prio: 9, lat: ~ 2^2 } hitcount: 60
1878 { pid: 2029, prio: 9, lat: ~ 2^2 } hitcount: 965
[all …]
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| D | boottime-trace.rst | 224 fields = "unsigned long func", "u64 lat"
226 keys = func.sym, lat
227 values = lat
228 sort = lat
237 var.lat = common_timestamp.usecs - $ts0
240 trace = initcall_latency, func, $lat
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| /linux-6.12.1/tools/testing/ktest/examples/bootconfigs/ |
| D | boottrace.bconf | 12 fields = "unsigned long func", "u64 lat"
14 keys = func.sym,lat
15 values = lat
16 sort = lat
25 var.lat = common_timestamp.usecs - $ts0
28 trace = initcall_latency, func, $lat
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| /linux-6.12.1/include/trace/events/ |
| D | wbt.h | 61 TP_PROTO(struct backing_dev_info *bdi, unsigned long lat),
63 TP_ARGS(bdi, lat),
67 __field(unsigned long, lat)
73 __entry->lat = div_u64(lat, 1000);
77 (unsigned long long) __entry->lat)
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| /linux-6.12.1/fs/ceph/ |
| D | metric.c | 80 ktime_to_ceph_timespec(&read->lat, sum); in ceph_mdsc_send_metrics()
93 ktime_to_ceph_timespec(&write->lat, sum); in ceph_mdsc_send_metrics()
106 ktime_to_ceph_timespec(&meta->lat, sum); in ceph_mdsc_send_metrics()
329 ktime_t *sq_sump, ktime_t lat) in __update_mean_and_stdev() argument
334 *lavg = lat; in __update_mean_and_stdev()
337 avg = *lavg + div64_s64(lat - *lavg, total); in __update_mean_and_stdev()
338 *sq_sump += (lat - *lavg)*(lat - avg); in __update_mean_and_stdev()
347 ktime_t lat = ktime_sub(r_end, r_start); in ceph_update_metrics() local
357 m->latency_sum += lat; in ceph_update_metrics()
358 METRIC_UPDATE_MIN_MAX(m->latency_min, m->latency_max, lat); in ceph_update_metrics()
[all …]
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| D | metric.h | 75 struct ceph_timespec lat; member
84 struct ceph_timespec lat; member
93 struct ceph_timespec lat; member
|
| /linux-6.12.1/tools/testing/selftests/timers/ |
| D | .gitignore | 8 mqueue-lat
10 nsleep-lat
16 set-timer-lat
|
| D | Makefile | 7 TEST_GEN_PROGS = posix_timers nanosleep nsleep-lat set-timer-lat mqueue-lat \
|
| /linux-6.12.1/tools/testing/selftests/net/ |
| D | fin_ack_lat.c | 37 unsigned long lat, sum_lat = 0, nr_lat = 0; in client() local
69 lat = timediff(start, end); in client()
70 sum_lat += lat; in client()
72 if (lat < 100000) in client()
78 ntohs(laddr.sin_port), lat, in client()
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| /linux-6.12.1/drivers/s390/scsi/ |
| D | zfcp_sysfs.c | 551 struct zfcp_latencies *lat = &zfcp_sdev->latencies; \
555 spin_lock_bh(&lat->lock); \
556 fsum = lat->_name.fabric.sum * adapter->timer_ticks; \
557 fmin = lat->_name.fabric.min * adapter->timer_ticks; \
558 fmax = lat->_name.fabric.max * adapter->timer_ticks; \
559 csum = lat->_name.channel.sum * adapter->timer_ticks; \
560 cmin = lat->_name.channel.min * adapter->timer_ticks; \
561 cmax = lat->_name.channel.max * adapter->timer_ticks; \
562 cc = lat->_name.counter; \
563 spin_unlock_bh(&lat->lock); \
[all …]
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| D | zfcp_fsf.c | 2327 static void zfcp_fsf_update_lat(struct zfcp_latency_record *lat_rec, u32 lat) in zfcp_fsf_update_lat() argument
2329 lat_rec->sum += lat; in zfcp_fsf_update_lat()
2330 lat_rec->min = min(lat_rec->min, lat); in zfcp_fsf_update_lat()
2331 lat_rec->max = max(lat_rec->max, lat); in zfcp_fsf_update_lat()
2337 struct zfcp_latency_cont *lat = NULL; in zfcp_fsf_req_trace() local
2362 lat = &zfcp_sdev->latencies.read; in zfcp_fsf_req_trace()
2367 lat = &zfcp_sdev->latencies.write; in zfcp_fsf_req_trace()
2370 lat = &zfcp_sdev->latencies.cmd; in zfcp_fsf_req_trace()
2374 if (lat) { in zfcp_fsf_req_trace()
2376 zfcp_fsf_update_lat(&lat->channel, lat_in->channel_lat); in zfcp_fsf_req_trace()
[all …]
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| /linux-6.12.1/include/dt-bindings/usb/ |
| D | pd.h | 341 #define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \ argument
343 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10 \
346 #define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \ argument
348 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
350 #define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \ argument
352 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
|
| /linux-6.12.1/include/linux/usb/ |
| D | pd_vdo.h | 371 #define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \ argument
373 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10 \
376 #define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \ argument
378 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
380 #define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \ argument
382 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
|
| /linux-6.12.1/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/ |
| D | EventClass.py | 89 status, dla, dse, lat = struct.unpack('QQQQ', tmp_buf)
93 self.lat = lat
|
| /linux-6.12.1/arch/parisc/kernel/ |
| D | pci.c | 148 u8 lat; in pcibios_set_master() local
151 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in pcibios_set_master()
152 if (lat >= 16) return; in pcibios_set_master()
|
| /linux-6.12.1/drivers/staging/greybus/ |
| D | loopback.c | 780 u32 lat; in gb_loopback_calculate_latency_stats() local
783 lat = gb_loopback_nsec_to_usec_latency(gb->elapsed_nsecs); in gb_loopback_calculate_latency_stats()
786 gb_loopback_update_stats(&gb->latency, lat); in gb_loopback_calculate_latency_stats()
789 kfifo_in(&gb->kfifo_lat, (unsigned char *)&lat, sizeof(lat)); in gb_loopback_calculate_latency_stats()
801 u32 lat; in gb_loopback_calculate_stats() local
812 lat = gb_loopback_nsec_to_usec_latency(nlat); in gb_loopback_calculate_stats()
814 gb_loopback_throughput_update(gb, lat); in gb_loopback_calculate_stats()
815 gb_loopback_requests_update(gb, lat); in gb_loopback_calculate_stats()
|
| /linux-6.12.1/arch/alpha/kernel/ |
| D | pci.c | 276 u8 lat; in pcibios_set_master() local
277 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in pcibios_set_master()
278 if (lat >= 16) return; in pcibios_set_master()
|
| /linux-6.12.1/drivers/ssb/ |
| D | driver_pcicore.c | 280 u8 lat; in ssb_pcicore_fixup_pcibridge() local
302 lat = 168; in ssb_pcicore_fixup_pcibridge()
305 pci_name(dev), lat); in ssb_pcicore_fixup_pcibridge()
306 pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); in ssb_pcicore_fixup_pcibridge()
|
| /linux-6.12.1/drivers/media/pci/bt8xx/ |
| D | bt878.c | 401 unsigned char lat; in bt878_probe() local
435 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in bt878_probe()
442 bt->irq, lat, bt->bt878_adr); in bt878_probe()
|
| /linux-6.12.1/tools/perf/scripts/python/ |
| D | event_analyzing_sample.py | 104 event.ip, event.status, event.dse, event.dla, event.lat))
|
| /linux-6.12.1/kernel/trace/ |
| D | trace_functions_graph.c | 1245 int lat = tr->trace_flags & TRACE_ITER_LATENCY_FMT; in __print_graph_headers_flags() local
1247 if (lat) in __print_graph_headers_flags()
1260 if (lat) in __print_graph_headers_flags()
1276 if (lat) in __print_graph_headers_flags()
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| /linux-6.12.1/arch/sparc/kernel/ |
| D | smp_64.c | 209 long lat; /* estimate of itc adjustment latency */ in smp_synchronize_tick_client() member
238 t[i].lat = adjust_latency/4; in smp_synchronize_tick_client()
247 t[i].rt, t[i].master, t[i].diff, t[i].lat); in smp_synchronize_tick_client()
|
| /linux-6.12.1/arch/x86/events/intel/ |
| D | ds.c | 481 u64 status, dla, dse, lat; member
493 u64 status, dla, dse, lat; member
522 u64 status, dla, dse, lat; member
1753 data->weight.full = pebs->lat; in setup_pebs_fixed_sample_data()
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| /linux-6.12.1/drivers/pci/ |
| D | pci.c | 4317 u8 lat; in pcibios_set_master() local
4323 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in pcibios_set_master()
4324 if (lat < 16) in pcibios_set_master()
4325 lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; in pcibios_set_master()
4326 else if (lat > pcibios_max_latency) in pcibios_set_master()
4327 lat = pcibios_max_latency; in pcibios_set_master()
4331 pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); in pcibios_set_master()
|