/Linux-v5.15/kernel/ |
D | latencytop.c | 87 struct latency_record *lat) in account_global_scheduler_latency() argument 106 unsigned long record = lat->backtrace[q]; in account_global_scheduler_latency() 119 latency_record[i].time += lat->time; in account_global_scheduler_latency() 120 if (lat->time > latency_record[i].max) in account_global_scheduler_latency() 121 latency_record[i].max = lat->time; in account_global_scheduler_latency() 131 memcpy(&latency_record[i], lat, sizeof(struct latency_record)); in account_global_scheduler_latency() 155 struct latency_record lat; in __account_scheduler_latency() local 166 memset(&lat, 0, sizeof(lat)); in __account_scheduler_latency() 167 lat.count = 1; in __account_scheduler_latency() 168 lat.time = usecs; in __account_scheduler_latency() [all …]
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/Linux-v5.15/Documentation/trace/ |
D | histogram.rst | 1799 with 3 fields: lat, pid, and prio. Each of those fields is simply a 1803 u64 lat; \ 1812 wakeup_latency u64 lat; pid_t pid; int prio 1817 # echo '!wakeup_latency u64 lat pid_t pid int prio' >> \ 1835 # echo 'hist:keys=pid,prio,lat.log2:sort=lat' >> \ 1838 The above shows the latency "lat" in a power of 2 grouping. 1847 # trigger info: hist:keys=pid,prio,lat.log2:vals=hitcount:sort=lat.log2:size=2048 [active] 1850 { pid: 2035, prio: 9, lat: ~ 2^2 } hitcount: 43 1851 { pid: 2034, prio: 9, lat: ~ 2^2 } hitcount: 60 1852 { pid: 2029, prio: 9, lat: ~ 2^2 } hitcount: 965 [all …]
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D | boottime-trace.rst | 226 fields = "unsigned long func", "u64 lat" 228 keys = func.sym, lat 229 values = lat 230 sort = lat 239 var.lat = common_timestamp.usecs - $ts0 242 trace = initcall_latency, func, $lat
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/Linux-v5.15/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-v5.15/fs/ceph/ |
D | metric.c | 326 ktime_t *sq_sump, ktime_t lat) in __update_stdev() argument 334 avg = DIV64_U64_ROUND_CLOSEST((lsum - lat), (total - 1)); in __update_stdev() 335 sq = lat - avg; in __update_stdev() 337 sq = sq * (lat - avg); in __update_stdev() 345 ktime_t lat = ktime_sub(r_end, r_start); in ceph_update_read_metrics() local 354 m->read_latency_sum += lat; in ceph_update_read_metrics() 360 lat); in ceph_update_read_metrics() 362 &m->read_latency_sq_sum, lat); in ceph_update_read_metrics() 370 ktime_t lat = ktime_sub(r_end, r_start); in ceph_update_write_metrics() local 379 m->write_latency_sum += lat; in ceph_update_write_metrics() [all …]
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/Linux-v5.15/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-v5.15/tools/testing/selftests/timers/ |
D | .gitignore | 8 mqueue-lat 10 nsleep-lat 16 set-timer-lat
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D | Makefile | 7 TEST_GEN_PROGS = posix_timers nanosleep nsleep-lat set-timer-lat mqueue-lat \
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/Linux-v5.15/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-v5.15/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 | 2324 static void zfcp_fsf_update_lat(struct zfcp_latency_record *lat_rec, u32 lat) in zfcp_fsf_update_lat() argument 2326 lat_rec->sum += lat; in zfcp_fsf_update_lat() 2327 lat_rec->min = min(lat_rec->min, lat); in zfcp_fsf_update_lat() 2328 lat_rec->max = max(lat_rec->max, lat); in zfcp_fsf_update_lat() 2334 struct zfcp_latency_cont *lat = NULL; in zfcp_fsf_req_trace() local 2359 lat = &zfcp_sdev->latencies.read; in zfcp_fsf_req_trace() 2364 lat = &zfcp_sdev->latencies.write; in zfcp_fsf_req_trace() 2367 lat = &zfcp_sdev->latencies.cmd; in zfcp_fsf_req_trace() 2371 if (lat) { in zfcp_fsf_req_trace() 2373 zfcp_fsf_update_lat(&lat->channel, lat_in->channel_lat); in zfcp_fsf_req_trace() [all …]
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/Linux-v5.15/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 \
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/Linux-v5.15/include/linux/usb/ |
D | pd_vdo.h | 364 #define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \ argument 366 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10 \ 369 #define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \ argument 371 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \ 373 #define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \ argument 375 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
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/Linux-v5.15/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
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/Linux-v5.15/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()
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/Linux-v5.15/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()
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/Linux-v5.15/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()
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/Linux-v5.15/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()
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/Linux-v5.15/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()
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/Linux-v5.15/arch/ia64/kernel/ |
D | smpboot.c | 284 long lat; /* estimate of itc adjustment latency */ in ia64_sync_itc() member 328 t[i].lat = adjust_latency/4; in ia64_sync_itc() 337 t[i].rt, t[i].master, t[i].diff, t[i].lat); in ia64_sync_itc()
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/Linux-v5.15/tools/perf/scripts/python/ |
D | event_analyzing_sample.py | 104 event.ip, event.status, event.dse, event.dla, event.lat))
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/Linux-v5.15/tools/perf/tests/attr/ |
D | test-stat-default | 147 # PERF_TYPE_RAW / topdown-fetch-lat (0x8600)
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D | test-stat-detailed-1 | 148 # PERF_TYPE_RAW / topdown-fetch-lat (0x8600)
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D | test-stat-detailed-3 | 148 # PERF_TYPE_RAW / topdown-fetch-lat (0x8600)
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/Linux-v5.15/kernel/trace/ |
D | trace_functions_graph.c | 1136 int lat = tr->trace_flags & TRACE_ITER_LATENCY_FMT; in __print_graph_headers_flags() local 1138 if (lat) in __print_graph_headers_flags() 1151 if (lat) in __print_graph_headers_flags() 1167 if (lat) in __print_graph_headers_flags()
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