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| 1 | +#!/usr/sbin/dtrace -Cs |
| 2 | + |
| 3 | +/* |
| 4 | + * Copyright 2018, Joyent, Inc. |
| 5 | + */ |
| 6 | + |
| 7 | +#pragma D option quiet |
| 8 | + |
| 9 | +typedef enum { |
| 10 | + STATE_ON_CPU = 0, |
| 11 | + STATE_OFF_CPU_WAITING, |
| 12 | + STATE_OFF_CPU_BLOCKED, |
| 13 | + STATE_OFF_CPU_ZIO_WAIT, |
| 14 | + STATE_OFF_CPU_ZIO_WAIT_MOS, |
| 15 | + STATE_OFF_CPU_ZIO_WAIT_SYNC, |
| 16 | + STATE_OFF_CPU_OBJSET_SYNC, |
| 17 | + STATE_OFF_CPU_CV, |
| 18 | + STATE_OFF_CPU_PREEMPTED, |
| 19 | + STATE_MAX |
| 20 | +} state_t; |
| 21 | + |
| 22 | +#define STATE_METADATA(_state, _str, _color) \ |
| 23 | + printf("\t\t\"%s\": {\"value\": %d, \"color\": \"%s\" }%s\n", \ |
| 24 | + _str, _state, _color, _state < STATE_MAX - 1 ? "," : ""); |
| 25 | + |
| 26 | +BEGIN |
| 27 | +{ |
| 28 | + wall = walltimestamp; |
| 29 | + printf("{\n\t\"start\": [ %d, %d ],\n", |
| 30 | + wall / 1000000000, wall % 1000000000); |
| 31 | + printf("\t\"title\": \"SPA sync\",\n"); |
| 32 | + printf("\t\"host\": \"%s\",\n", `utsname.nodename); |
| 33 | + printf("\t\"entityKind\": \"SPA sync thread for pool\",\n"); |
| 34 | + printf("\t\"states\": {\n"); |
| 35 | + |
| 36 | + STATE_METADATA(STATE_ON_CPU, "on-cpu", "#DAF7A6") |
| 37 | + STATE_METADATA(STATE_OFF_CPU_WAITING, "off-cpu-waiting", "#f9f9f9") |
| 38 | + STATE_METADATA(STATE_OFF_CPU_BLOCKED, "off-cpu-blocked", "#C70039") |
| 39 | + STATE_METADATA(STATE_OFF_CPU_ZIO_WAIT, "off-cpu-zio-wait", "#FFC300") |
| 40 | + STATE_METADATA(STATE_OFF_CPU_ZIO_WAIT_MOS, |
| 41 | + "off-cpu-zio-wait-mos", "#FF5733") |
| 42 | + STATE_METADATA(STATE_OFF_CPU_ZIO_WAIT_SYNC, |
| 43 | + "off-cpu-zio-wait-sync", "#BB8FCE") |
| 44 | + STATE_METADATA(STATE_OFF_CPU_OBJSET_SYNC, |
| 45 | + "off-cpu-objset-sync", "#338AFF") |
| 46 | + STATE_METADATA(STATE_OFF_CPU_CV, "off-cpu-cv", "#66FFCC") |
| 47 | + STATE_METADATA(STATE_OFF_CPU_PREEMPTED, "off-cpu-preempted", "#CCFF00") |
| 48 | + |
| 49 | + printf("\t}\n}\n"); |
| 50 | + start = timestamp; |
| 51 | +} |
| 52 | + |
| 53 | +fbt::spa_sync:return |
| 54 | +{ |
| 55 | + self->state = STATE_OFF_CPU_WAITING; |
| 56 | +} |
| 57 | + |
| 58 | +fbt::spa_sync:entry |
| 59 | +{ |
| 60 | + self->spa = args[0]; |
| 61 | + self->state = STATE_ON_CPU; |
| 62 | +} |
| 63 | + |
| 64 | +fbt::zio_wait:entry |
| 65 | +/self->spa != NULL && self->state == STATE_ON_CPU/ |
| 66 | +{ |
| 67 | + self->state = STATE_OFF_CPU_ZIO_WAIT; |
| 68 | + |
| 69 | +} |
| 70 | + |
| 71 | +fbt::zio_wait:return |
| 72 | +/self->state == STATE_OFF_CPU_ZIO_WAIT/ |
| 73 | +{ |
| 74 | + self->state = STATE_ON_CPU; |
| 75 | +} |
| 76 | + |
| 77 | +fbt::vdev_config_sync:entry |
| 78 | +/self->state == STATE_ON_CPU/ |
| 79 | +{ |
| 80 | + self->state = STATE_OFF_CPU_ZIO_WAIT_SYNC; |
| 81 | +} |
| 82 | + |
| 83 | +fbt::vdev_config_sync:return |
| 84 | +/self->state == STATE_OFF_CPU_ZIO_WAIT_SYNC/ |
| 85 | +{ |
| 86 | + self->state = STATE_ON_CPU; |
| 87 | +} |
| 88 | + |
| 89 | +fbt::dsl_pool_sync_mos:entry |
| 90 | +/self->state == STATE_ON_CPU/ |
| 91 | +{ |
| 92 | + self->state = STATE_OFF_CPU_ZIO_WAIT_MOS; |
| 93 | +} |
| 94 | + |
| 95 | +fbt::dsl_pool_sync_mos:return |
| 96 | +/self->state == STATE_OFF_CPU_ZIO_WAIT_MOS/ |
| 97 | +{ |
| 98 | + self->state = STATE_ON_CPU; |
| 99 | +} |
| 100 | + |
| 101 | +fbt::dmu_objset_sync:entry |
| 102 | +/self->state == STATE_ON_CPU/ |
| 103 | +{ |
| 104 | + self->state = STATE_OFF_CPU_OBJSET_SYNC; |
| 105 | +} |
| 106 | + |
| 107 | +fbt::dmu_objset_sync:return |
| 108 | +/self->state == STATE_OFF_CPU_OBJSET_SYNC/ |
| 109 | +{ |
| 110 | + self->state = STATE_ON_CPU; |
| 111 | +} |
| 112 | + |
| 113 | +sched:::off-cpu |
| 114 | +/self->spa != NULL/ |
| 115 | +{ |
| 116 | + printf("{ \"time\": \"%d\", \"entity\": \"%s\", ", |
| 117 | + timestamp - start, self->spa->spa_name); |
| 118 | + |
| 119 | + printf("\"state\": %d }\n", |
| 120 | + self->state != STATE_ON_CPU ? self->state : |
| 121 | + curthread->t_sobj_ops == NULL ? STATE_OFF_CPU_PREEMPTED : |
| 122 | + curthread->t_sobj_ops == &`cv_sobj_ops ? STATE_OFF_CPU_CV : |
| 123 | + STATE_OFF_CPU_BLOCKED); |
| 124 | +} |
| 125 | + |
| 126 | +sched:::on-cpu |
| 127 | +/self->spa != NULL/ |
| 128 | +{ |
| 129 | + printf("{ \"time\": \"%d\", \"entity\": \"%s\", ", |
| 130 | + timestamp - start, self->spa->spa_name); |
| 131 | + printf("\"state\": %d }\n", STATE_ON_CPU); |
| 132 | +} |
| 133 | + |
| 134 | +tick-1sec |
| 135 | +/timestamp - start > 300 * 1000000000/ |
| 136 | +{ |
| 137 | + exit(0); |
| 138 | +} |
| 139 | + |
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