source: libcfa/src/concurrency/stats.cfa@ 8e4aa05

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 8e4aa05 was dddb3dd0, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

Changed io to use ring per kernel threads.
  • Property mode set to 100644
File size: 7.9 KB
Line 
1#include <stdint.h>
2#include <stdlib.hfa>
3
4#include <unistd.h> // STDERR_FILENO
5#include <inttypes.h>
6#include "bits/debug.hfa"
7#include "stats.hfa"
8
9#if !defined(__CFA_NO_STATISTICS__)
10 void __init_stats( struct __stats_t * stats ) {
11 stats->ready.pick.push.attempt = 0;
12 stats->ready.pick.push.success = 0;
13 stats->ready.pick.push.local = 0;
14 stats->ready.pick.push.lsuccess = 0;
15 stats->ready.pick.pop .probe = 0;
16 stats->ready.pick.pop .attempt = 0;
17 stats->ready.pick.pop .success = 0;
18 stats->ready.pick.pop .local = 0;
19 stats->ready.pick.pop .lsuccess = 0;
20 stats->ready.threads.migration = 0;
21 stats->ready.sleep.halts = 0;
22 stats->ready.sleep.cancels = 0;
23 stats->ready.sleep.wakes = 0;
24 stats->ready.sleep.exits = 0;
25
26 #if defined(CFA_HAVE_LINUX_IO_URING_H)
27 stats->io.alloc.fast = 0;
28 stats->io.alloc.slow = 0;
29 stats->io.alloc.fail = 0;
30 stats->io.alloc.revoke = 0;
31 stats->io.alloc.block = 0;
32 stats->io.submit.fast = 0;
33 stats->io.submit.slow = 0;
34 stats->io.flush.external = 0;
35 stats->io.calls.flush = 0;
36 stats->io.calls.submitted = 0;
37 stats->io.calls.drain = 0;
38 stats->io.calls.completed = 0;
39 stats->io.calls.errors.busy = 0;
40 stats->io.poller.sleeps = 0;
41 #endif
42 }
43
44 void __tally_stats( struct __stats_t * cltr, struct __stats_t * proc ) {
45 __atomic_fetch_add( &cltr->ready.pick.push.attempt , proc->ready.pick.push.attempt , __ATOMIC_SEQ_CST ); proc->ready.pick.push.attempt = 0;
46 __atomic_fetch_add( &cltr->ready.pick.push.success , proc->ready.pick.push.success , __ATOMIC_SEQ_CST ); proc->ready.pick.push.success = 0;
47 __atomic_fetch_add( &cltr->ready.pick.push.local , proc->ready.pick.push.local , __ATOMIC_SEQ_CST ); proc->ready.pick.push.local = 0;
48 __atomic_fetch_add( &cltr->ready.pick.push.lsuccess, proc->ready.pick.push.lsuccess, __ATOMIC_SEQ_CST ); proc->ready.pick.push.lsuccess = 0;
49 __atomic_fetch_add( &cltr->ready.pick.pop .probe , proc->ready.pick.pop .probe , __ATOMIC_SEQ_CST ); proc->ready.pick.pop .probe = 0;
50 __atomic_fetch_add( &cltr->ready.pick.pop .attempt , proc->ready.pick.pop .attempt , __ATOMIC_SEQ_CST ); proc->ready.pick.pop .attempt = 0;
51 __atomic_fetch_add( &cltr->ready.pick.pop .success , proc->ready.pick.pop .success , __ATOMIC_SEQ_CST ); proc->ready.pick.pop .success = 0;
52 __atomic_fetch_add( &cltr->ready.pick.pop .local , proc->ready.pick.pop .local , __ATOMIC_SEQ_CST ); proc->ready.pick.pop .local = 0;
53 __atomic_fetch_add( &cltr->ready.pick.pop .lsuccess, proc->ready.pick.pop .lsuccess, __ATOMIC_SEQ_CST ); proc->ready.pick.pop .lsuccess = 0;
54 __atomic_fetch_add( &cltr->ready.threads.migration , proc->ready.threads.migration , __ATOMIC_SEQ_CST ); proc->ready.threads.migration = 0;
55 __atomic_fetch_add( &cltr->ready.sleep.halts , proc->ready.sleep.halts , __ATOMIC_SEQ_CST ); proc->ready.sleep.halts = 0;
56 __atomic_fetch_add( &cltr->ready.sleep.cancels , proc->ready.sleep.cancels , __ATOMIC_SEQ_CST ); proc->ready.sleep.cancels = 0;
57 __atomic_fetch_add( &cltr->ready.sleep.wakes , proc->ready.sleep.wakes , __ATOMIC_SEQ_CST ); proc->ready.sleep.wakes = 0;
58 __atomic_fetch_add( &cltr->ready.sleep.exits , proc->ready.sleep.exits , __ATOMIC_SEQ_CST ); proc->ready.sleep.exits = 0;
59
60 #if defined(CFA_HAVE_LINUX_IO_URING_H)
61 __atomic_fetch_add( &cltr->io.alloc.fast , proc->io.alloc.fast , __ATOMIC_SEQ_CST ); proc->io.alloc.fast = 0;
62 __atomic_fetch_add( &cltr->io.alloc.slow , proc->io.alloc.slow , __ATOMIC_SEQ_CST ); proc->io.alloc.slow = 0;
63 __atomic_fetch_add( &cltr->io.alloc.fail , proc->io.alloc.fail , __ATOMIC_SEQ_CST ); proc->io.alloc.fail = 0;
64 __atomic_fetch_add( &cltr->io.alloc.revoke , proc->io.alloc.revoke , __ATOMIC_SEQ_CST ); proc->io.alloc.revoke = 0;
65 __atomic_fetch_add( &cltr->io.alloc.block , proc->io.alloc.block , __ATOMIC_SEQ_CST ); proc->io.alloc.block = 0;
66 __atomic_fetch_add( &cltr->io.submit.fast , proc->io.submit.fast , __ATOMIC_SEQ_CST ); proc->io.submit.fast = 0;
67 __atomic_fetch_add( &cltr->io.submit.slow , proc->io.submit.slow , __ATOMIC_SEQ_CST ); proc->io.submit.slow = 0;
68 __atomic_fetch_add( &cltr->io.flush.external , proc->io.flush.external , __ATOMIC_SEQ_CST ); proc->io.flush.external = 0;
69 __atomic_fetch_add( &cltr->io.calls.flush , proc->io.calls.flush , __ATOMIC_SEQ_CST ); proc->io.calls.flush = 0;
70 __atomic_fetch_add( &cltr->io.calls.submitted , proc->io.calls.submitted , __ATOMIC_SEQ_CST ); proc->io.calls.submitted = 0;
71 __atomic_fetch_add( &cltr->io.calls.drain , proc->io.calls.drain , __ATOMIC_SEQ_CST ); proc->io.calls.drain = 0;
72 __atomic_fetch_add( &cltr->io.calls.completed , proc->io.calls.completed , __ATOMIC_SEQ_CST ); proc->io.calls.completed = 0;
73 __atomic_fetch_add( &cltr->io.calls.errors.busy, proc->io.calls.errors.busy, __ATOMIC_SEQ_CST ); proc->io.calls.errors.busy = 0;
74 __atomic_fetch_add( &cltr->io.poller.sleeps , proc->io.poller.sleeps , __ATOMIC_SEQ_CST ); proc->io.poller.sleeps = 0;
75 #endif
76 }
77
78 void __print_stats( struct __stats_t * stats, int flags, const char * type, const char * name, void * id ) with( *stats ) {
79
80 if( flags & CFA_STATS_READY_Q ) {
81 double push_len = ((double)ready.pick.push.attempt) / ready.pick.push.success;
82 double pop_len = ((double)ready.pick.pop .attempt) / ready.pick.pop .success;
83
84 double lpush_len = ((double)ready.pick.push.local) / ready.pick.push.lsuccess;
85 double lpop_len = ((double)ready.pick.pop .local) / ready.pick.pop .lsuccess;
86
87 __cfaabi_bits_print_safe( STDOUT_FILENO,
88 "----- %s \"%s\" (%p) - Ready Q Stats -----\n"
89 "- total threads : %'15" PRIu64 "run, %'15" PRIu64 "schd (%'" PRIu64 "mig )\n"
90 "- push avg probe : %'3.2lf, %'3.2lfl (%'15" PRIu64 " attempts, %'15" PRIu64 " locals)\n"
91 "- pop avg probe : %'3.2lf, %'3.2lfl (%'15" PRIu64 " attempts, %'15" PRIu64 " locals)\n"
92 "- Idle Sleep : %'15" PRIu64 "h, %'15" PRIu64 "c, %'15" PRIu64 "w, %'15" PRIu64 "e\n"
93 "\n"
94 , type, name, id
95 , ready.pick.pop.success
96 , ready.pick.push.success
97 , ready.threads.migration
98 , push_len, lpush_len, ready.pick.push.attempt, ready.pick.push.local
99 , pop_len , lpop_len , ready.pick.pop .attempt, ready.pick.pop .local
100 , ready.sleep.halts, ready.sleep.cancels, ready.sleep.wakes, ready.sleep.exits
101 );
102 }
103
104 #if defined(CFA_HAVE_LINUX_IO_URING_H)
105 if( flags & CFA_STATS_IO ) {
106 uint64_t total_allocs = io.alloc.fast + io.alloc.slow;
107 double avgfasta = ((double)io.alloc.fast) / total_allocs;
108
109 uint64_t total_submits = io.submit.fast + io.submit.slow;
110 double avgfasts = ((double)io.submit.fast) / total_submits;
111
112 double avgsubs = ((double)io.calls.submitted) / io.calls.flush;
113 double avgcomp = ((double)io.calls.completed) / io.calls.drain;
114
115 __cfaabi_bits_print_safe( STDOUT_FILENO,
116 "----- %s \"%s\" (%p) - I/O Stats -----\n"
117 "- total allocations : %'" PRIu64 "f, %'" PRIu64 "s (%'2.2lff) \n"
118 "- failures : %'" PRIu64 "oom, %'" PRIu64 "rvk, %'" PRIu64 "blk\n"
119 "- total submits : %'" PRIu64 "f, %'" PRIu64 "s (%'2.2lf) \n"
120 "- flush external : %'" PRIu64 "\n"
121 "- io_uring_enter : %'" PRIu64 " (%'" PRIu64 ", %'" PRIu64 " EBUSY)\n"
122 "- submits : %'" PRIu64 " (%'.2lf) \n"
123 "- completes : %'" PRIu64 " (%'.2lf) \n"
124 "- poller sleeping : %'" PRIu64 "\n"
125 "\n"
126 , type, name, id
127 , io.alloc.fast, io.alloc.slow, avgfasta
128 , io.alloc.fail, io.alloc.revoke, io.alloc.block
129 , io.submit.fast, io.submit.slow, avgfasts
130 , io.flush.external
131 , io.calls.flush, io.calls.drain, io.calls.errors.busy
132 , io.calls.submitted, avgsubs
133 , io.calls.completed, avgcomp
134 , io.poller.sleeps
135 );
136 }
137 #endif
138 }
139#endif
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