source: libcfa/src/concurrency/stats.cfa@ 7ab28b69

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 7ab28b69 was dcb5f8d, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

Added statistics for the number of times io_ctxs blocked
  • Property mode set to 100644
File size: 8.9 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.submit_q.submit_avg.rdy = 0;
28 stats->io.submit_q.submit_avg.csm = 0;
29 stats->io.submit_q.submit_avg.cnt = 0;
30 stats->io.submit_q.look_avg.val = 0;
31 stats->io.submit_q.look_avg.cnt = 0;
32 stats->io.submit_q.look_avg.block = 0;
33 stats->io.submit_q.alloc_avg.val = 0;
34 stats->io.submit_q.alloc_avg.cnt = 0;
35 stats->io.submit_q.alloc_avg.block = 0;
36 stats->io.submit_q.helped = 0;
37 stats->io.submit_q.leader = 0;
38 stats->io.submit_q.busy = 0;
39 stats->io.complete_q.completed_avg.val = 0;
40 stats->io.complete_q.completed_avg.cnt = 0;
41 stats->io.complete_q.blocks = 0;
42 #endif
43 }
44
45 void __tally_stats( struct __stats_t * cltr, struct __stats_t * proc ) {
46 __atomic_fetch_add( &cltr->ready.pick.push.attempt , proc->ready.pick.push.attempt , __ATOMIC_SEQ_CST );
47 __atomic_fetch_add( &cltr->ready.pick.push.success , proc->ready.pick.push.success , __ATOMIC_SEQ_CST );
48 __atomic_fetch_add( &cltr->ready.pick.push.local , proc->ready.pick.push.local , __ATOMIC_SEQ_CST );
49 __atomic_fetch_add( &cltr->ready.pick.push.lsuccess, proc->ready.pick.push.lsuccess, __ATOMIC_SEQ_CST );
50 __atomic_fetch_add( &cltr->ready.pick.pop .probe , proc->ready.pick.pop .probe , __ATOMIC_SEQ_CST );
51 __atomic_fetch_add( &cltr->ready.pick.pop .attempt , proc->ready.pick.pop .attempt , __ATOMIC_SEQ_CST );
52 __atomic_fetch_add( &cltr->ready.pick.pop .success , proc->ready.pick.pop .success , __ATOMIC_SEQ_CST );
53 __atomic_fetch_add( &cltr->ready.pick.pop .local , proc->ready.pick.pop .local , __ATOMIC_SEQ_CST );
54 __atomic_fetch_add( &cltr->ready.pick.pop .lsuccess, proc->ready.pick.pop .lsuccess, __ATOMIC_SEQ_CST );
55 __atomic_fetch_add( &cltr->ready.threads.migration, proc->ready.threads.migration, __ATOMIC_SEQ_CST );
56 __atomic_fetch_add( &cltr->ready.sleep.halts , proc->ready.sleep.halts , __ATOMIC_SEQ_CST );
57 __atomic_fetch_add( &cltr->ready.sleep.cancels, proc->ready.sleep.cancels, __ATOMIC_SEQ_CST );
58 __atomic_fetch_add( &cltr->ready.sleep.wakes , proc->ready.sleep.wakes , __ATOMIC_SEQ_CST );
59 __atomic_fetch_add( &cltr->ready.sleep.exits , proc->ready.sleep.exits , __ATOMIC_SEQ_CST );
60
61 #if defined(CFA_HAVE_LINUX_IO_URING_H)
62 __atomic_fetch_add( &cltr->io.submit_q.submit_avg.rdy , proc->io.submit_q.submit_avg.rdy , __ATOMIC_SEQ_CST );
63 __atomic_fetch_add( &cltr->io.submit_q.submit_avg.csm , proc->io.submit_q.submit_avg.csm , __ATOMIC_SEQ_CST );
64 __atomic_fetch_add( &cltr->io.submit_q.submit_avg.avl , proc->io.submit_q.submit_avg.avl , __ATOMIC_SEQ_CST );
65 __atomic_fetch_add( &cltr->io.submit_q.submit_avg.cnt , proc->io.submit_q.submit_avg.cnt , __ATOMIC_SEQ_CST );
66 __atomic_fetch_add( &cltr->io.submit_q.look_avg.val , proc->io.submit_q.look_avg.val , __ATOMIC_SEQ_CST );
67 __atomic_fetch_add( &cltr->io.submit_q.look_avg.cnt , proc->io.submit_q.look_avg.cnt , __ATOMIC_SEQ_CST );
68 __atomic_fetch_add( &cltr->io.submit_q.look_avg.block , proc->io.submit_q.look_avg.block , __ATOMIC_SEQ_CST );
69 __atomic_fetch_add( &cltr->io.submit_q.alloc_avg.val , proc->io.submit_q.alloc_avg.val , __ATOMIC_SEQ_CST );
70 __atomic_fetch_add( &cltr->io.submit_q.alloc_avg.cnt , proc->io.submit_q.alloc_avg.cnt , __ATOMIC_SEQ_CST );
71 __atomic_fetch_add( &cltr->io.submit_q.alloc_avg.block , proc->io.submit_q.alloc_avg.block , __ATOMIC_SEQ_CST );
72 __atomic_fetch_add( &cltr->io.submit_q.helped , proc->io.submit_q.helped , __ATOMIC_SEQ_CST );
73 __atomic_fetch_add( &cltr->io.submit_q.leader , proc->io.submit_q.leader , __ATOMIC_SEQ_CST );
74 __atomic_fetch_add( &cltr->io.submit_q.busy , proc->io.submit_q.busy , __ATOMIC_SEQ_CST );
75 __atomic_fetch_add( &cltr->io.complete_q.completed_avg.val, proc->io.complete_q.completed_avg.val, __ATOMIC_SEQ_CST );
76 __atomic_fetch_add( &cltr->io.complete_q.completed_avg.cnt, proc->io.complete_q.completed_avg.cnt, __ATOMIC_SEQ_CST );
77 __atomic_fetch_add( &cltr->io.complete_q.blocks , proc->io.complete_q.blocks , __ATOMIC_SEQ_CST );
78 #endif
79 }
80
81 void __print_stats( struct __stats_t * stats, int flags, bool cluster, const char * name, void * id ) with( *stats ) {
82
83 if( flags & CFA_STATS_READY_Q ) {
84 double push_sur = (100.0 * ((double)ready.pick.push.success) / ready.pick.push.attempt);
85 double pop_sur = (100.0 * ((double)ready.pick.pop .success) / ready.pick.pop .attempt);
86
87 double push_len = ((double)ready.pick.push.attempt) / ready.pick.push.success;
88 double pop_len = ((double)ready.pick.pop .attempt) / ready.pick.pop .success;
89
90 double lpush_sur = (100.0 * ((double)ready.pick.push.lsuccess) / ready.pick.push.local);
91 double lpop_sur = (100.0 * ((double)ready.pick.pop .lsuccess) / ready.pick.pop .local);
92
93 double lpush_len = ((double)ready.pick.push.local) / ready.pick.push.lsuccess;
94 double lpop_len = ((double)ready.pick.pop .local) / ready.pick.pop .lsuccess;
95
96 __cfaabi_bits_print_safe( STDOUT_FILENO,
97 "----- %s \"%s\" (%p) - Ready Q Stats -----\n"
98 "- total threads run : %'15" PRIu64 "\n"
99 "- total threads scheduled: %'15" PRIu64 "\n"
100 "- push average probe len : %'18.2lf, %'18.2lf%% (%'15" PRIu64 " attempts)\n"
101 "- pop average probe len : %'18.2lf, %'18.2lf%% (%'15" PRIu64 " attempts)\n"
102 "- local push avg prb len : %'18.2lf, %'18.2lf%% (%'15" PRIu64 " attempts)\n"
103 "- local pop avg prb len : %'18.2lf, %'18.2lf%% (%'15" PRIu64 " attempts)\n"
104 "- thread migrations : %'15" PRIu64 "\n"
105 "- Idle Sleep -\n"
106 "-- halts : %'15" PRIu64 "\n"
107 "-- cancelled halts : %'15" PRIu64 "\n"
108 "-- schedule wake : %'15" PRIu64 "\n"
109 "-- wake on exit : %'15" PRIu64 "\n"
110 "\n"
111 , cluster ? "Cluster" : "Processor", name, id
112 , ready.pick.pop.success
113 , ready.pick.push.success
114 , push_len, push_sur, ready.pick.push.attempt
115 , pop_len , pop_sur , ready.pick.pop .attempt
116 , lpush_len, lpush_sur, ready.pick.push.local
117 , lpop_len , lpop_sur , ready.pick.pop .local
118 , ready.threads.migration
119 , ready.sleep.halts, ready.sleep.cancels, ready.sleep.wakes, ready.sleep.exits
120 );
121 }
122
123 #if defined(CFA_HAVE_LINUX_IO_URING_H)
124 if( flags & CFA_STATS_IO ) {
125 double avgrdy = ((double)io.submit_q.submit_avg.rdy) / io.submit_q.submit_avg.cnt;
126 double avgcsm = ((double)io.submit_q.submit_avg.csm) / io.submit_q.submit_avg.cnt;
127
128 double lavgv = 0;
129 double lavgb = 0;
130 if(io.submit_q.look_avg.cnt != 0) {
131 lavgv = ((double)io.submit_q.look_avg.val ) / io.submit_q.look_avg.cnt;
132 lavgb = ((double)io.submit_q.look_avg.block) / io.submit_q.look_avg.cnt;
133 }
134
135 double aavgv = 0;
136 double aavgb = 0;
137 if(io.submit_q.alloc_avg.cnt != 0) {
138 aavgv = ((double)io.submit_q.alloc_avg.val ) / io.submit_q.alloc_avg.cnt;
139 aavgb = ((double)io.submit_q.alloc_avg.block) / io.submit_q.alloc_avg.cnt;
140 }
141
142 __cfaabi_bits_print_safe( STDOUT_FILENO,
143 "----- %s \"%s\" (%p) - I/O Stats -----\n"
144 "- total submit calls : %'15" PRIu64 "\n"
145 "- avg ready entries : %'18.2lf\n"
146 "- avg submitted entries : %'18.2lf\n"
147 "- total helped entries : %'15" PRIu64 "\n"
148 "- total leader entries : %'15" PRIu64 "\n"
149 "- total busy submit : %'15" PRIu64 "\n"
150 "- total ready search : %'15" PRIu64 "\n"
151 "- avg ready search len : %'18.2lf\n"
152 "- avg ready search block : %'18.2lf\n"
153 "- total alloc search : %'15" PRIu64 "\n"
154 "- avg alloc search len : %'18.2lf\n"
155 "- avg alloc search block : %'18.2lf\n"
156 "- total wait calls : %'15" PRIu64 "\n"
157 "- avg completion/wait : %'18.2lf\n"
158 "- total completion blocks: %'15" PRIu64 "\n"
159 "\n"
160 , cluster ? "Cluster" : "Processor", name, id
161 , io.submit_q.submit_avg.cnt
162 , avgrdy, avgcsm
163 , io.submit_q.helped, io.submit_q.leader, io.submit_q.busy
164 , io.submit_q.look_avg.cnt
165 , lavgv, lavgb
166 , io.submit_q.alloc_avg.cnt
167 , aavgv, aavgb
168 , io.complete_q.completed_avg.cnt
169 , ((double)io.complete_q.completed_avg.val) / io.complete_q.completed_avg.cnt
170 , io.complete_q.blocks
171 );
172 }
173 #endif
174 }
175#endif
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