| [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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| [88f2f0f] | 13 | memset( &stats->ready, 0, sizeof( stats->ready ) );
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| [8834751] | 14 |
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| [5751a56] | 15 | #if defined(CFA_HAVE_LINUX_IO_URING_H)
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| [88f2f0f] | 16 | memset( &stats->io, 0, sizeof( stats->io ) );
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| [8834751] | 17 | #endif
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| [73f4d08] | 18 |
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| 19 | #if defined(CFA_STATS_ARRAY)
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| 20 | stats->array.values = alloc(CFA_STATS_ARRAY);
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| 21 | stats->array.cnt = 0;
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| 22 | #endif
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| [8834751] | 23 | }
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| 24 |
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| [45b9b21] | 25 | static inline void tally_one( volatile uint64_t * agg, volatile uint64_t * val) {
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| 26 | uint64_t add = __atomic_exchange_n(val, 0_l64u, __ATOMIC_RELAXED);
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| 27 | __atomic_fetch_add(agg, add, __ATOMIC_RELAXED);
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| 28 | }
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| 29 |
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| 30 | static inline void tally_one( volatile int64_t * agg, volatile int64_t * val) {
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| 31 | int64_t add = __atomic_exchange_n(val, 0_l64, __ATOMIC_RELAXED);
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| 32 | __atomic_fetch_add(agg, add, __ATOMIC_RELAXED);
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| 33 | }
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| 34 |
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| [8834751] | 35 | void __tally_stats( struct __stats_t * cltr, struct __stats_t * proc ) {
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| [941e14a] | 36 | tally_one( &cltr->ready.push.local.attempt , &proc->ready.push.local.attempt );
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| 37 | tally_one( &cltr->ready.push.local.success , &proc->ready.push.local.success );
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| 38 | tally_one( &cltr->ready.push.share.attempt , &proc->ready.push.share.attempt );
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| 39 | tally_one( &cltr->ready.push.share.success , &proc->ready.push.share.success );
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| 40 | tally_one( &cltr->ready.push.extrn.attempt , &proc->ready.push.extrn.attempt );
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| 41 | tally_one( &cltr->ready.push.extrn.success , &proc->ready.push.extrn.success );
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| 42 | tally_one( &cltr->ready.pop.local .attempt , &proc->ready.pop.local .attempt );
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| 43 | tally_one( &cltr->ready.pop.local .success , &proc->ready.pop.local .success );
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| 44 | tally_one( &cltr->ready.pop.help .attempt , &proc->ready.pop.help .attempt );
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| 45 | tally_one( &cltr->ready.pop.help .success , &proc->ready.pop.help .success );
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| 46 | tally_one( &cltr->ready.pop.steal .attempt , &proc->ready.pop.steal .attempt );
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| 47 | tally_one( &cltr->ready.pop.steal .success , &proc->ready.pop.steal .success );
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| 48 | tally_one( &cltr->ready.pop.search.attempt , &proc->ready.pop.search.attempt );
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| 49 | tally_one( &cltr->ready.pop.search.success , &proc->ready.pop.search.success );
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| 50 | tally_one( &cltr->ready.threads.migration , &proc->ready.threads.migration );
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| 51 | tally_one( &cltr->ready.threads.extunpark , &proc->ready.threads.extunpark );
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| 52 | tally_one( &cltr->ready.threads.threads , &proc->ready.threads.threads );
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| 53 | tally_one( &cltr->ready.threads.cthreads , &proc->ready.threads.cthreads );
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| 54 | tally_one( &cltr->ready.threads.preempt.yield , &proc->ready.threads.preempt.yield );
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| 55 | tally_one( &cltr->ready.threads.preempt.rllfwd, &proc->ready.threads.preempt.rllfwd );
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| 56 | tally_one( &cltr->ready.sleep.halts , &proc->ready.sleep.halts );
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| 57 | tally_one( &cltr->ready.sleep.cancels , &proc->ready.sleep.cancels );
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| 58 | tally_one( &cltr->ready.sleep.early , &proc->ready.sleep.early );
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| 59 | tally_one( &cltr->ready.sleep.wakes , &proc->ready.sleep.wakes );
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| 60 | tally_one( &cltr->ready.sleep.seen , &proc->ready.sleep.wakes );
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| 61 | tally_one( &cltr->ready.sleep.exits , &proc->ready.sleep.exits );
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| [8834751] | 62 |
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| [5751a56] | 63 | #if defined(CFA_HAVE_LINUX_IO_URING_H)
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| [45b9b21] | 64 | tally_one( &cltr->io.alloc.fast , &proc->io.alloc.fast );
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| 65 | tally_one( &cltr->io.alloc.slow , &proc->io.alloc.slow );
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| 66 | tally_one( &cltr->io.alloc.fail , &proc->io.alloc.fail );
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| 67 | tally_one( &cltr->io.alloc.revoke , &proc->io.alloc.revoke );
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| 68 | tally_one( &cltr->io.alloc.block , &proc->io.alloc.block );
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| 69 | tally_one( &cltr->io.submit.fast , &proc->io.submit.fast );
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| 70 | tally_one( &cltr->io.submit.slow , &proc->io.submit.slow );
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| [7ce8873] | 71 | tally_one( &cltr->io.submit.eagr , &proc->io.submit.eagr );
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| 72 | tally_one( &cltr->io.submit.nblk , &proc->io.submit.nblk );
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| [74227c6] | 73 | tally_one( &cltr->io.submit.extr , &proc->io.submit.extr );
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| [45b9b21] | 74 | tally_one( &cltr->io.flush.external , &proc->io.flush.external );
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| [74227c6] | 75 | tally_one( &cltr->io.flush.signal , &proc->io.flush.signal );
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| [70b4aeb9] | 76 | tally_one( &cltr->io.flush.dirty , &proc->io.flush.dirty );
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| 77 | tally_one( &cltr->io.flush.full , &proc->io.flush.full );
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| 78 | tally_one( &cltr->io.flush.idle , &proc->io.flush.idle );
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| 79 | tally_one( &cltr->io.flush.eager , &proc->io.flush.eager );
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| [45b9b21] | 80 | tally_one( &cltr->io.calls.flush , &proc->io.calls.flush );
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| 81 | tally_one( &cltr->io.calls.submitted , &proc->io.calls.submitted );
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| 82 | tally_one( &cltr->io.calls.drain , &proc->io.calls.drain );
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| 83 | tally_one( &cltr->io.calls.completed , &proc->io.calls.completed );
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| [54c1196] | 84 | tally_one( &cltr->io.calls.locked , &proc->io.calls.locked );
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| 85 | tally_one( &cltr->io.calls.helped , &proc->io.calls.helped );
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| [45b9b21] | 86 | tally_one( &cltr->io.calls.errors.busy, &proc->io.calls.errors.busy );
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| [db614d0] | 87 | tally_one( &cltr->io.ops.sockread , &proc->io.ops.sockread );
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| 88 | tally_one( &cltr->io.ops.epllread , &proc->io.ops.epllread );
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| 89 | tally_one( &cltr->io.ops.sockwrite , &proc->io.ops.sockwrite );
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| 90 | tally_one( &cltr->io.ops.epllwrite , &proc->io.ops.epllwrite );
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| [8834751] | 91 | #endif
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| 92 | }
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| 93 |
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| [986cb99] | 94 | #define eng3(X) (ws(3, 3, unit(eng( X ))))
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| 95 |
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| [1b033b8] | 96 | void __print_stats( struct __stats_t * stats, int flags, const char * type, const char * name, void * id ) with( *stats ) {
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| [8834751] | 97 |
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| [986cb99] | 98 | char buf[1024];
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| [bbbd2c4] | 99 | ostrstream sstr = { buf, 1024 };
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| [986cb99] | 100 |
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| [69fbc61] | 101 | if( flags & CFA_STATS_READY_Q ) {
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| [986cb99] | 102 |
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| [78ea291] | 103 | sstr | "----- " | type | " \"" | name | "\" (" | "" | id | "" | ") - Ready Q Stats -----";
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| [986cb99] | 104 |
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| 105 | uint64_t totalR = ready.pop.local.success + ready.pop.help.success + ready.pop.steal.success + ready.pop.search.success;
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| 106 | uint64_t totalS = ready.push.local.success + ready.push.share.success + ready.push.extrn.success;
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| [78ea291] | 107 | sstr | "- totals : " | eng3(totalR) | "run," | eng3(totalS) | "schd (" | eng3(ready.push.extrn.success) | "ext,"
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| 108 | | eng3(ready.threads.migration) | "mig," | eng3(ready.threads.extunpark) | " eupk," | ready.threads.threads | " t," | ready.threads.cthreads | " cthr)";
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| [986cb99] | 109 |
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| 110 | double push_len = ((double)ready.push.local.attempt + ready.push.share.attempt + ready.push.extrn.attempt) / totalS;
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| [d2fadeb] | 111 | double sLcl_len = ready.push.local.success ? ((double)ready.push.local.attempt) / ready.push.local.success : 0;
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| 112 | double sOth_len = ready.push.share.success ? ((double)ready.push.share.attempt) / ready.push.share.success : 0;
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| 113 | double sExt_len = ready.push.extrn.success ? ((double)ready.push.extrn.attempt) / ready.push.extrn.success : 0;
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| [986cb99] | 114 | sstr | "- push avg : " | ws(3, 3, push_len)
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| 115 | | "- l: " | eng3(ready.push.local.attempt) | " (" | ws(3, 3, sLcl_len) | ")"
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| 116 | | ", s: " | eng3(ready.push.share.attempt) | " (" | ws(3, 3, sOth_len) | ")"
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| 117 | | ", e: " | eng3(ready.push.extrn.attempt) | " (" | ws(3, 3, sExt_len) | ")";
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| 118 |
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| 119 | double rLcl_pc = (100.0 * (double)ready.pop.local .success) / totalR;
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| 120 | sstr | "- local : " | eng3(ready.pop.local .success) | "-"| ws(3, 3, rLcl_pc) | '%'
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| [78ea291] | 121 | | " (" | eng3(ready.pop.local .attempt) | " try)";
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| [986cb99] | 122 | double rHlp_pc = (100.0 * (double)ready.pop.help .success) / totalR;
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| 123 | sstr | "- help : " | eng3(ready.pop.help .success) | "-"| ws(3, 3, rHlp_pc) | '%'
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| [78ea291] | 124 | | " (" | eng3(ready.pop.help .attempt) | " try)";
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| [986cb99] | 125 | double rStl_pc = (100.0 * (double)ready.pop.steal .success) / totalR;
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| 126 | sstr | "- steal : " | eng3(ready.pop.steal .success) | "-"| ws(3, 3, rStl_pc) | '%'
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| [78ea291] | 127 | | " (" | eng3(ready.pop.steal .attempt) | " try)";
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| [986cb99] | 128 | double rSch_pc = (100.0 * (double)ready.pop.search.success) / totalR;
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| 129 | sstr | "- search : " | eng3(ready.pop.search.success) | "-"| ws(3, 3, rSch_pc) | '%'
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| [78ea291] | 130 | | " (" | eng3(ready.pop.search.attempt) | " try)";
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| [986cb99] | 131 |
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| [7cf3b1d] | 132 | sstr | "- Idle Slp : " | eng3(ready.sleep.halts) | "halt," | eng3(ready.sleep.cancels) | "cancel,"
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| 133 | | eng3(ready.sleep.wakes + ready.sleep.early) | '(' | eng3(ready.sleep.early) | ',' | eng3(ready.sleep.seen) | ')' | " wake(early, seen),"
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| 134 | | eng3(ready.sleep.exits) | "exit";
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| [941e14a] | 135 | sstr | "- Preemption : " | eng3(ready.threads.preempt.yield) | "yields," | eng3(ready.threads.preempt.rllfwd) | "delayed";
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| [986cb99] | 136 | sstr | nl;
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| [69fbc61] | 137 | }
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| 138 |
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| [5751a56] | 139 | #if defined(CFA_HAVE_LINUX_IO_URING_H)
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| [69fbc61] | 140 | if( flags & CFA_STATS_IO ) {
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| [78ea291] | 141 | sstr | "----- " | type | " \"" | name | "\" (" | "" | id | "" | ") - I/O Stats -----";
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| [986cb99] | 142 |
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| [d60d30e] | 143 | uint64_t total_allocs = io.alloc.fast + io.alloc.slow;
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| [69fbc61] | 144 |
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| [d60d30e] | 145 | uint64_t total_submits = io.submit.fast + io.submit.slow;
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| [78ea291] | 146 | sstr | "- totals : allc" | eng3(io.alloc .fast) | nonl;
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| 147 | if(io.alloc.slow) {
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| 148 | double avgfasta = (100.0 * (double)io.alloc.fast) / total_allocs;
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| 149 | sstr | "fast," | eng3(io.alloc .slow) | "slow (" | ws(3, 3, avgfasta) | "%)" | nonl;
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| 150 | }
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| 151 | sstr | " - subm" | eng3(io.submit.fast) | nonl;
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| 152 | if(io.alloc.slow) {
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| 153 | double avgfasts = (100.0 * (double)io.submit.fast) / total_submits;
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| [74227c6] | 154 | sstr | "fast," | eng3(io.submit.slow) | "slow (" | ws(3, 3, avgfasts) | "%)," | eng3(io.submit.extr) | "external" | nonl;
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| [78ea291] | 155 | }
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| [7ce8873] | 156 | sstr | " - eager" | eng3(io.submit.eagr) | nonl;
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| 157 | sstr | " - no-wait" | eng3(io.submit.nblk) | nonl;
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| [78ea291] | 158 | sstr | nl;
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| [986cb99] | 159 |
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| [78ea291] | 160 | if(io.alloc.fail || io.alloc.revoke || io.alloc.block)
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| 161 | sstr | "- failures : " | eng3(io.alloc.fail) | "oom, " | eng3(io.alloc.revoke) | "rvk, " | eng3(io.alloc.block) | "blk";
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| [70b4aeb9] | 162 | // if(io.flush.external)
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| 163 | // sstr | "- flush external : " | eng3(io.flush.external);
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| [69fbc61] | 164 |
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| [dddb3dd0] | 165 | double avgsubs = ((double)io.calls.submitted) / io.calls.flush;
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| 166 | double avgcomp = ((double)io.calls.completed) / io.calls.drain;
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| [78ea291] | 167 | sstr | "- syscll : "
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| [70b4aeb9] | 168 | | " sub " | eng3(io.calls.submitted) | "/" | eng3(io.calls.flush) | "(" | ws(3, 3, avgsubs) | "/flush)"
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| 169 | | " - cmp " | eng3(io.calls.completed) | "/" | eng3(io.calls.drain) | "(" | ws(3, 3, avgcomp) | "/drain)"
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| [54c1196] | 170 | | " - cmp " | eng3(io.calls.locked) | "locked, " | eng3(io.calls.helped) | "helped"
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| [78ea291] | 171 | | " - " | eng3(io.calls.errors.busy) | " EBUSY";
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| [74227c6] | 172 | sstr | " - sub: " | eng3(io.flush.full) | "full, " | eng3(io.flush.dirty) | "drty, " | eng3(io.flush.idle) | "idle, " | eng3(io.flush.eager) | "eagr, " | eng3(io.flush.external) | '/' | eng3(io.flush.signal) | "ext";
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| [db614d0] | 173 | sstr | "- ops blk: "
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| 174 | | " sk rd: " | eng3(io.ops.sockread) | "epll: " | eng3(io.ops.epllread)
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| 175 | | " sk wr: " | eng3(io.ops.sockwrite) | "epll: " | eng3(io.ops.epllwrite);
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| [986cb99] | 176 | sstr | nl;
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| [69fbc61] | 177 | }
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| [c34ebf2] | 178 | #endif
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| [986cb99] | 179 |
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| 180 | if(flags) write( sstr, stdout );
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| [8834751] | 181 | }
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| [73f4d08] | 182 |
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| 183 | #if defined(CFA_STATS_ARRAY)
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| 184 | extern "C" {
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| 185 | #include <stdio.h>
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| 186 | #include <errno.h>
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| 187 | #include <sys/stat.h>
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| 188 | #include <fcntl.h>
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| 189 | }
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| 190 |
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| 191 | void __flush_stat( struct __stats_t * this, const char * name, void * handle) {
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| 192 | int ret = mkdir(".cfadata", 0755);
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| 193 | if(ret < 0 && errno != EEXIST) abort("Failed to create directory .cfadata: %d\n", errno);
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| 194 |
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| 195 | char filename[100];
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| 196 | snprintf(filename, 100, ".cfadata/%s%p.data", name, handle);
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| 197 |
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| 198 | int fd = open(filename, O_WRONLY | O_APPEND | O_CREAT, 0644);
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| 199 | if(fd < 0) abort("Failed to create file %s: %d\n", filename, errno);
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| 200 |
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| 201 | for(i; this->array.cnt) {
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| 202 | char line[100];
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| 203 | size_t n = snprintf(line, 100, "%llu, %lld\n", this->array.values[i].ts, this->array.values[i].value);
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| 204 | write(fd, line, n);
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| 205 | }
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| 206 |
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| 207 | this->array.cnt = 0;
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| 208 | close(fd);
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| 209 | }
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| 210 |
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| 211 | static __spinlock_t stats_lock;
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| 212 |
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| 213 | void __push_stat( struct __stats_t * this, int64_t value, bool external, const char * name, void * handle ) {
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| 214 | if(external) lock(stats_lock __cfaabi_dbg_ctx2);
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| 215 |
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| 216 | if( this->array.cnt >= CFA_STATS_ARRAY ) __flush_stat( this, name, handle );
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| 217 |
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| 218 | size_t idx = this->array.cnt;
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| 219 | this->array.cnt++;
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| 220 |
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| 221 | if(external) unlock(stats_lock);
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| 222 |
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| 223 | this->array.values[idx].ts = rdtscl();
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| 224 | this->array.values[idx].value = value;
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| 225 | }
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| 226 | #endif
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| [bbbd2c4] | 227 | #endif
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