[8834751] | 1 | #include <stdint.h> |
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| 2 | #include <stdlib.hfa> |
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| 3 | |
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| 4 | #include <unistd.h> // STDERR_FILENO |
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[7812a7b5] | 5 | #include <inttypes.h> |
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[8834751] | 6 | #include "bits/debug.hfa" |
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[73f4d08] | 7 | #include "bits/locks.hfa" |
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[8834751] | 8 | #include "stats.hfa" |
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[986cb99] | 9 | #include "strstream.hfa" |
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[8834751] | 10 | |
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| 11 | #if !defined(__CFA_NO_STATISTICS__) |
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| 12 | void __init_stats( struct __stats_t * stats ) { |
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[d2fadeb] | 13 | stats->ready.push.local.attempt = 0; |
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| 14 | stats->ready.push.local.success = 0; |
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| 15 | stats->ready.push.share.attempt = 0; |
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| 16 | stats->ready.push.share.success = 0; |
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| 17 | stats->ready.push.extrn.attempt = 0; |
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| 18 | stats->ready.push.extrn.success = 0; |
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| 19 | stats->ready.pop.local .attempt = 0; |
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| 20 | stats->ready.pop.local .success = 0; |
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| 21 | stats->ready.pop.local .elock = 0; |
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| 22 | stats->ready.pop.local .eempty = 0; |
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| 23 | stats->ready.pop.local .espec = 0; |
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| 24 | stats->ready.pop.help .attempt = 0; |
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| 25 | stats->ready.pop.help .success = 0; |
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| 26 | stats->ready.pop.help .elock = 0; |
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| 27 | stats->ready.pop.help .eempty = 0; |
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| 28 | stats->ready.pop.help .espec = 0; |
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| 29 | stats->ready.pop.steal .attempt = 0; |
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| 30 | stats->ready.pop.steal .success = 0; |
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| 31 | stats->ready.pop.steal .elock = 0; |
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| 32 | stats->ready.pop.steal .eempty = 0; |
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| 33 | stats->ready.pop.steal .espec = 0; |
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| 34 | stats->ready.pop.search.attempt = 0; |
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| 35 | stats->ready.pop.search.success = 0; |
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| 36 | stats->ready.pop.search.elock = 0; |
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| 37 | stats->ready.pop.search.eempty = 0; |
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| 38 | stats->ready.pop.search.espec = 0; |
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[29cb302] | 39 | stats->ready.threads.migration = 0; |
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[3bd4293] | 40 | stats->ready.threads.extunpark = 0; |
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[ec43cf9] | 41 | stats->ready.threads.threads = 0; |
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[68f36f4] | 42 | stats->ready.sleep.halts = 0; |
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| 43 | stats->ready.sleep.cancels = 0; |
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| 44 | stats->ready.sleep.wakes = 0; |
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| 45 | stats->ready.sleep.exits = 0; |
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[8834751] | 46 | |
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[5751a56] | 47 | #if defined(CFA_HAVE_LINUX_IO_URING_H) |
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[d60d30e] | 48 | stats->io.alloc.fast = 0; |
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| 49 | stats->io.alloc.slow = 0; |
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| 50 | stats->io.alloc.fail = 0; |
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| 51 | stats->io.alloc.revoke = 0; |
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| 52 | stats->io.alloc.block = 0; |
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| 53 | stats->io.submit.fast = 0; |
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| 54 | stats->io.submit.slow = 0; |
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| 55 | stats->io.flush.external = 0; |
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[dddb3dd0] | 56 | stats->io.calls.flush = 0; |
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[d60d30e] | 57 | stats->io.calls.submitted = 0; |
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[dddb3dd0] | 58 | stats->io.calls.drain = 0; |
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[d60d30e] | 59 | stats->io.calls.completed = 0; |
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| 60 | stats->io.calls.errors.busy = 0; |
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[150d21a] | 61 | stats->io.poller.sleeps = 0; |
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[8834751] | 62 | #endif |
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[73f4d08] | 63 | |
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| 64 | #if defined(CFA_STATS_ARRAY) |
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| 65 | stats->array.values = alloc(CFA_STATS_ARRAY); |
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| 66 | stats->array.cnt = 0; |
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| 67 | #endif |
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[8834751] | 68 | } |
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| 69 | |
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[45b9b21] | 70 | static inline void tally_one( volatile uint64_t * agg, volatile uint64_t * val) { |
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| 71 | uint64_t add = __atomic_exchange_n(val, 0_l64u, __ATOMIC_RELAXED); |
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| 72 | __atomic_fetch_add(agg, add, __ATOMIC_RELAXED); |
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| 73 | } |
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| 74 | |
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| 75 | static inline void tally_one( volatile int64_t * agg, volatile int64_t * val) { |
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| 76 | int64_t add = __atomic_exchange_n(val, 0_l64, __ATOMIC_RELAXED); |
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| 77 | __atomic_fetch_add(agg, add, __ATOMIC_RELAXED); |
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| 78 | } |
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| 79 | |
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[8834751] | 80 | void __tally_stats( struct __stats_t * cltr, struct __stats_t * proc ) { |
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[45b9b21] | 81 | tally_one( &cltr->ready.push.local.attempt, &proc->ready.push.local.attempt ); |
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| 82 | tally_one( &cltr->ready.push.local.success, &proc->ready.push.local.success ); |
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| 83 | tally_one( &cltr->ready.push.share.attempt, &proc->ready.push.share.attempt ); |
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| 84 | tally_one( &cltr->ready.push.share.success, &proc->ready.push.share.success ); |
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| 85 | tally_one( &cltr->ready.push.extrn.attempt, &proc->ready.push.extrn.attempt ); |
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| 86 | tally_one( &cltr->ready.push.extrn.success, &proc->ready.push.extrn.success ); |
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| 87 | tally_one( &cltr->ready.pop.local .attempt, &proc->ready.pop.local .attempt ); |
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| 88 | tally_one( &cltr->ready.pop.local .success, &proc->ready.pop.local .success ); |
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| 89 | tally_one( &cltr->ready.pop.local .elock , &proc->ready.pop.local .elock ); |
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| 90 | tally_one( &cltr->ready.pop.local .eempty , &proc->ready.pop.local .eempty ); |
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| 91 | tally_one( &cltr->ready.pop.local .espec , &proc->ready.pop.local .espec ); |
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| 92 | tally_one( &cltr->ready.pop.help .attempt, &proc->ready.pop.help .attempt ); |
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| 93 | tally_one( &cltr->ready.pop.help .success, &proc->ready.pop.help .success ); |
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| 94 | tally_one( &cltr->ready.pop.help .elock , &proc->ready.pop.help .elock ); |
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| 95 | tally_one( &cltr->ready.pop.help .eempty , &proc->ready.pop.help .eempty ); |
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| 96 | tally_one( &cltr->ready.pop.help .espec , &proc->ready.pop.help .espec ); |
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| 97 | tally_one( &cltr->ready.pop.steal .attempt, &proc->ready.pop.steal .attempt ); |
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| 98 | tally_one( &cltr->ready.pop.steal .success, &proc->ready.pop.steal .success ); |
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| 99 | tally_one( &cltr->ready.pop.steal .elock , &proc->ready.pop.steal .elock ); |
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| 100 | tally_one( &cltr->ready.pop.steal .eempty , &proc->ready.pop.steal .eempty ); |
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| 101 | tally_one( &cltr->ready.pop.steal .espec , &proc->ready.pop.steal .espec ); |
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| 102 | tally_one( &cltr->ready.pop.search.attempt, &proc->ready.pop.search.attempt ); |
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| 103 | tally_one( &cltr->ready.pop.search.success, &proc->ready.pop.search.success ); |
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| 104 | tally_one( &cltr->ready.pop.search.elock , &proc->ready.pop.search.elock ); |
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| 105 | tally_one( &cltr->ready.pop.search.eempty , &proc->ready.pop.search.eempty ); |
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| 106 | tally_one( &cltr->ready.pop.search.espec , &proc->ready.pop.search.espec ); |
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| 107 | tally_one( &cltr->ready.threads.migration , &proc->ready.threads.migration ); |
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| 108 | tally_one( &cltr->ready.threads.extunpark , &proc->ready.threads.extunpark ); |
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| 109 | tally_one( &cltr->ready.threads.threads , &proc->ready.threads.threads ); |
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| 110 | tally_one( &cltr->ready.sleep.halts , &proc->ready.sleep.halts ); |
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| 111 | tally_one( &cltr->ready.sleep.cancels , &proc->ready.sleep.cancels ); |
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| 112 | tally_one( &cltr->ready.sleep.wakes , &proc->ready.sleep.wakes ); |
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| 113 | tally_one( &cltr->ready.sleep.exits , &proc->ready.sleep.exits ); |
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[8834751] | 114 | |
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[5751a56] | 115 | #if defined(CFA_HAVE_LINUX_IO_URING_H) |
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[45b9b21] | 116 | tally_one( &cltr->io.alloc.fast , &proc->io.alloc.fast ); |
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| 117 | tally_one( &cltr->io.alloc.slow , &proc->io.alloc.slow ); |
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| 118 | tally_one( &cltr->io.alloc.fail , &proc->io.alloc.fail ); |
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| 119 | tally_one( &cltr->io.alloc.revoke , &proc->io.alloc.revoke ); |
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| 120 | tally_one( &cltr->io.alloc.block , &proc->io.alloc.block ); |
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| 121 | tally_one( &cltr->io.submit.fast , &proc->io.submit.fast ); |
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| 122 | tally_one( &cltr->io.submit.slow , &proc->io.submit.slow ); |
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| 123 | tally_one( &cltr->io.flush.external , &proc->io.flush.external ); |
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| 124 | tally_one( &cltr->io.calls.flush , &proc->io.calls.flush ); |
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| 125 | tally_one( &cltr->io.calls.submitted , &proc->io.calls.submitted ); |
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| 126 | tally_one( &cltr->io.calls.drain , &proc->io.calls.drain ); |
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| 127 | tally_one( &cltr->io.calls.completed , &proc->io.calls.completed ); |
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| 128 | tally_one( &cltr->io.calls.errors.busy, &proc->io.calls.errors.busy ); |
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| 129 | tally_one( &cltr->io.poller.sleeps , &proc->io.poller.sleeps ); |
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[8834751] | 130 | #endif |
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| 131 | } |
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| 132 | |
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[986cb99] | 133 | #define eng3(X) (ws(3, 3, unit(eng( X )))) |
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| 134 | |
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[1b033b8] | 135 | void __print_stats( struct __stats_t * stats, int flags, const char * type, const char * name, void * id ) with( *stats ) { |
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[8834751] | 136 | |
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[986cb99] | 137 | char buf[1024]; |
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[bbbd2c4] | 138 | ostrstream sstr = { buf, 1024 }; |
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[986cb99] | 139 | |
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[69fbc61] | 140 | if( flags & CFA_STATS_READY_Q ) { |
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[986cb99] | 141 | |
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| 142 | sstr | "----- " | type | "\"" | name | "\" (" | "" | id | "" | ") - Ready Q Stats -----"; |
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| 143 | |
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| 144 | uint64_t totalR = ready.pop.local.success + ready.pop.help.success + ready.pop.steal.success + ready.pop.search.success; |
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| 145 | uint64_t totalS = ready.push.local.success + ready.push.share.success + ready.push.extrn.success; |
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[3bd4293] | 146 | sstr | "- totals : " | eng3(totalR) | "run," | eng3(totalS) | "schd (" | eng3(ready.push.extrn.success) | "ext," | eng3(ready.threads.migration) | "mig," | eng3(ready.threads.extunpark) | " eupk)"; |
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[986cb99] | 147 | |
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| 148 | double push_len = ((double)ready.push.local.attempt + ready.push.share.attempt + ready.push.extrn.attempt) / totalS; |
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[d2fadeb] | 149 | double sLcl_len = ready.push.local.success ? ((double)ready.push.local.attempt) / ready.push.local.success : 0; |
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| 150 | double sOth_len = ready.push.share.success ? ((double)ready.push.share.attempt) / ready.push.share.success : 0; |
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| 151 | double sExt_len = ready.push.extrn.success ? ((double)ready.push.extrn.attempt) / ready.push.extrn.success : 0; |
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[986cb99] | 152 | sstr | "- push avg : " | ws(3, 3, push_len) |
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| 153 | | "- l: " | eng3(ready.push.local.attempt) | " (" | ws(3, 3, sLcl_len) | ")" |
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| 154 | | ", s: " | eng3(ready.push.share.attempt) | " (" | ws(3, 3, sOth_len) | ")" |
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| 155 | | ", e: " | eng3(ready.push.extrn.attempt) | " (" | ws(3, 3, sExt_len) | ")"; |
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| 156 | |
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| 157 | double rLcl_pc = (100.0 * (double)ready.pop.local .success) / totalR; |
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| 158 | sstr | "- local : " | eng3(ready.pop.local .success) | "-"| ws(3, 3, rLcl_pc) | '%' |
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| 159 | | " (" | eng3(ready.pop.local .attempt) | " try," | eng3(ready.pop.local .espec) | " spc," | eng3(ready.pop.local .elock) | " lck," | eng3(ready.pop.local .eempty) | " ept)"; |
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| 160 | double rHlp_pc = (100.0 * (double)ready.pop.help .success) / totalR; |
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| 161 | sstr | "- help : " | eng3(ready.pop.help .success) | "-"| ws(3, 3, rHlp_pc) | '%' |
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| 162 | | " (" | eng3(ready.pop.help .attempt) | " try," | eng3(ready.pop.help .espec) | " spc," | eng3(ready.pop.help .elock) | " lck," | eng3(ready.pop.help .eempty) | " ept)"; |
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| 163 | double rStl_pc = (100.0 * (double)ready.pop.steal .success) / totalR; |
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| 164 | sstr | "- steal : " | eng3(ready.pop.steal .success) | "-"| ws(3, 3, rStl_pc) | '%' |
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| 165 | | " (" | eng3(ready.pop.steal .attempt) | " try," | eng3(ready.pop.steal .espec) | " spc," | eng3(ready.pop.steal .elock) | " lck," | eng3(ready.pop.steal .eempty) | " ept)"; |
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| 166 | double rSch_pc = (100.0 * (double)ready.pop.search.success) / totalR; |
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| 167 | sstr | "- search : " | eng3(ready.pop.search.success) | "-"| ws(3, 3, rSch_pc) | '%' |
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| 168 | | " (" | eng3(ready.pop.search.attempt) | " try," | eng3(ready.pop.search.espec) | " spc," | eng3(ready.pop.search.elock) | " lck," | eng3(ready.pop.search.eempty) | " ept)"; |
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| 169 | |
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| 170 | sstr | "- Idle Slp : " | eng3(ready.sleep.halts) | "halt," | eng3(ready.sleep.cancels) | "cancel," | eng3(ready.sleep.wakes) | "wake," | eng3(ready.sleep.exits) | "exit"; |
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| 171 | sstr | nl; |
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[69fbc61] | 172 | } |
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| 173 | |
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[5751a56] | 174 | #if defined(CFA_HAVE_LINUX_IO_URING_H) |
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[69fbc61] | 175 | if( flags & CFA_STATS_IO ) { |
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[986cb99] | 176 | sstr | "----- " | type | "\"" | name | "\" (" | "" | id | "" | ") - I/O Stats -----"; |
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| 177 | |
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[d60d30e] | 178 | uint64_t total_allocs = io.alloc.fast + io.alloc.slow; |
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[986cb99] | 179 | double avgfasta = (100.0 * (double)io.alloc.fast) / total_allocs; |
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| 180 | sstr | "- total allocations : " | eng3(io.alloc.fast) | "fast," | eng3(io.alloc.slow) | "slow (" | ws(3, 3, avgfasta) | "%)"; |
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| 181 | sstr | "- failures : " | eng3(io.alloc.fail) | "oom, " | eng3(io.alloc.revoke) | "rvk, " | eng3(io.alloc.block) | "blk"; |
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[69fbc61] | 182 | |
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[d60d30e] | 183 | uint64_t total_submits = io.submit.fast + io.submit.slow; |
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[986cb99] | 184 | double avgfasts = (100.0 * (double)io.submit.fast) / total_submits; |
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| 185 | sstr | "- total submits : " | eng3(io.submit.fast) | "fast," | eng3(io.submit.slow) | "slow (" | ws(3, 3, avgfasts) | "%)"; |
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| 186 | sstr | "- flush external : " | eng3(io.flush.external); |
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| 187 | |
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| 188 | sstr | "- io_uring_enter : " | eng3(io.calls.flush) | " (" | eng3(io.calls.drain) | ", " | eng3(io.calls.errors.busy) | " EBUSY)"; |
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[69fbc61] | 189 | |
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[dddb3dd0] | 190 | double avgsubs = ((double)io.calls.submitted) / io.calls.flush; |
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| 191 | double avgcomp = ((double)io.calls.completed) / io.calls.drain; |
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[986cb99] | 192 | sstr | "- submits : " | eng3(io.calls.submitted) | "(" | ws(3, 3, avgsubs) | "/flush)"; |
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| 193 | sstr | "- completes : " | eng3(io.calls.completed) | "(" | ws(3, 3, avgcomp) | "/drain)"; |
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[69fbc61] | 194 | |
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[986cb99] | 195 | sstr | "- poller sleeping : " | eng3(io.poller.sleeps); |
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| 196 | sstr | nl; |
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[69fbc61] | 197 | } |
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[c34ebf2] | 198 | #endif |
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[986cb99] | 199 | |
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| 200 | if(flags) write( sstr, stdout ); |
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[8834751] | 201 | } |
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[73f4d08] | 202 | |
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| 203 | #if defined(CFA_STATS_ARRAY) |
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| 204 | extern "C" { |
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| 205 | #include <stdio.h> |
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| 206 | #include <errno.h> |
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| 207 | #include <sys/stat.h> |
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| 208 | #include <fcntl.h> |
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| 209 | } |
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| 210 | |
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| 211 | void __flush_stat( struct __stats_t * this, const char * name, void * handle) { |
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| 212 | int ret = mkdir(".cfadata", 0755); |
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| 213 | if(ret < 0 && errno != EEXIST) abort("Failed to create directory .cfadata: %d\n", errno); |
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| 214 | |
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| 215 | char filename[100]; |
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| 216 | snprintf(filename, 100, ".cfadata/%s%p.data", name, handle); |
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| 217 | |
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| 218 | int fd = open(filename, O_WRONLY | O_APPEND | O_CREAT, 0644); |
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| 219 | if(fd < 0) abort("Failed to create file %s: %d\n", filename, errno); |
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| 220 | |
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| 221 | for(i; this->array.cnt) { |
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| 222 | char line[100]; |
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| 223 | size_t n = snprintf(line, 100, "%llu, %lld\n", this->array.values[i].ts, this->array.values[i].value); |
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| 224 | write(fd, line, n); |
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| 225 | } |
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| 226 | |
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| 227 | this->array.cnt = 0; |
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| 228 | close(fd); |
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| 229 | } |
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| 230 | |
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| 231 | static __spinlock_t stats_lock; |
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| 232 | |
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| 233 | void __push_stat( struct __stats_t * this, int64_t value, bool external, const char * name, void * handle ) { |
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| 234 | if(external) lock(stats_lock __cfaabi_dbg_ctx2); |
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| 235 | |
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| 236 | if( this->array.cnt >= CFA_STATS_ARRAY ) __flush_stat( this, name, handle ); |
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| 237 | |
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| 238 | size_t idx = this->array.cnt; |
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| 239 | this->array.cnt++; |
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| 240 | |
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| 241 | if(external) unlock(stats_lock); |
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| 242 | |
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| 243 | this->array.values[idx].ts = rdtscl(); |
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| 244 | this->array.values[idx].value = value; |
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| 245 | } |
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| 246 | #endif |
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[bbbd2c4] | 247 | #endif |
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