source: libcfa/src/concurrency/stats.cfa@ 3531e09

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 3531e09 was 73f4d08, checked in by Thierry Delisle <tdelisle@…>, 4 years ago

Added stats implementation for dumping a big array of timestamped values.
Disabled by default. I might not keep it but committing it for now.
  • Property mode set to 100644
File size: 10.6 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 "bits/locks.hfa"
8#include "stats.hfa"
9
10#if !defined(__CFA_NO_STATISTICS__)
11 void __init_stats( struct __stats_t * stats ) {
12 stats->ready.pick.push.attempt = 0;
13 stats->ready.pick.push.success = 0;
14 stats->ready.pick.push.local = 0;
15 stats->ready.pick.push.lsuccess = 0;
16 stats->ready.pick.ext.attempt = 0;
17 stats->ready.pick.ext.success = 0;
18 stats->ready.pick.ext.local = 0;
19 stats->ready.pick.ext.lsuccess = 0;
20 stats->ready.pick.pop .probe = 0;
21 stats->ready.pick.pop .attempt = 0;
22 stats->ready.pick.pop .success = 0;
23 stats->ready.pick.pop .local = 0;
24 stats->ready.pick.pop .lsuccess = 0;
25 stats->ready.threads.migration = 0;
26 stats->ready.threads.threads = 0;
27 stats->ready.sleep.halts = 0;
28 stats->ready.sleep.cancels = 0;
29 stats->ready.sleep.wakes = 0;
30 stats->ready.sleep.exits = 0;
31
32 #if defined(CFA_HAVE_LINUX_IO_URING_H)
33 stats->io.alloc.fast = 0;
34 stats->io.alloc.slow = 0;
35 stats->io.alloc.fail = 0;
36 stats->io.alloc.revoke = 0;
37 stats->io.alloc.block = 0;
38 stats->io.submit.fast = 0;
39 stats->io.submit.slow = 0;
40 stats->io.flush.external = 0;
41 stats->io.calls.flush = 0;
42 stats->io.calls.submitted = 0;
43 stats->io.calls.drain = 0;
44 stats->io.calls.completed = 0;
45 stats->io.calls.errors.busy = 0;
46 stats->io.poller.sleeps = 0;
47 #endif
48
49 #if defined(CFA_STATS_ARRAY)
50 stats->array.values = alloc(CFA_STATS_ARRAY);
51 stats->array.cnt = 0;
52 #endif
53 }
54
55 void __tally_stats( struct __stats_t * cltr, struct __stats_t * proc ) {
56 __atomic_fetch_add( &cltr->ready.pick.push.attempt , proc->ready.pick.push.attempt , __ATOMIC_SEQ_CST ); proc->ready.pick.push.attempt = 0;
57 __atomic_fetch_add( &cltr->ready.pick.push.success , proc->ready.pick.push.success , __ATOMIC_SEQ_CST ); proc->ready.pick.push.success = 0;
58 __atomic_fetch_add( &cltr->ready.pick.push.local , proc->ready.pick.push.local , __ATOMIC_SEQ_CST ); proc->ready.pick.push.local = 0;
59 __atomic_fetch_add( &cltr->ready.pick.push.lsuccess, proc->ready.pick.push.lsuccess, __ATOMIC_SEQ_CST ); proc->ready.pick.push.lsuccess = 0;
60 __atomic_fetch_add( &cltr->ready.pick.ext.attempt , proc->ready.pick.ext.attempt , __ATOMIC_SEQ_CST ); proc->ready.pick.ext.attempt = 0;
61 __atomic_fetch_add( &cltr->ready.pick.ext.success , proc->ready.pick.ext.success , __ATOMIC_SEQ_CST ); proc->ready.pick.ext.success = 0;
62 __atomic_fetch_add( &cltr->ready.pick.ext.local , proc->ready.pick.ext.local , __ATOMIC_SEQ_CST ); proc->ready.pick.ext.local = 0;
63 __atomic_fetch_add( &cltr->ready.pick.ext.lsuccess , proc->ready.pick.ext.lsuccess , __ATOMIC_SEQ_CST ); proc->ready.pick.ext.lsuccess = 0;
64 __atomic_fetch_add( &cltr->ready.pick.pop .probe , proc->ready.pick.pop .probe , __ATOMIC_SEQ_CST ); proc->ready.pick.pop .probe = 0;
65 __atomic_fetch_add( &cltr->ready.pick.pop .attempt , proc->ready.pick.pop .attempt , __ATOMIC_SEQ_CST ); proc->ready.pick.pop .attempt = 0;
66 __atomic_fetch_add( &cltr->ready.pick.pop .success , proc->ready.pick.pop .success , __ATOMIC_SEQ_CST ); proc->ready.pick.pop .success = 0;
67 __atomic_fetch_add( &cltr->ready.pick.pop .local , proc->ready.pick.pop .local , __ATOMIC_SEQ_CST ); proc->ready.pick.pop .local = 0;
68 __atomic_fetch_add( &cltr->ready.pick.pop .lsuccess, proc->ready.pick.pop .lsuccess, __ATOMIC_SEQ_CST ); proc->ready.pick.pop .lsuccess = 0;
69 __atomic_fetch_add( &cltr->ready.threads.migration , proc->ready.threads.migration , __ATOMIC_SEQ_CST ); proc->ready.threads.migration = 0;
70 __atomic_fetch_add( &cltr->ready.threads.threads , proc->ready.threads.threads , __ATOMIC_SEQ_CST ); proc->ready.threads.threads = 0;
71 __atomic_fetch_add( &cltr->ready.sleep.halts , proc->ready.sleep.halts , __ATOMIC_SEQ_CST ); proc->ready.sleep.halts = 0;
72 __atomic_fetch_add( &cltr->ready.sleep.cancels , proc->ready.sleep.cancels , __ATOMIC_SEQ_CST ); proc->ready.sleep.cancels = 0;
73 __atomic_fetch_add( &cltr->ready.sleep.wakes , proc->ready.sleep.wakes , __ATOMIC_SEQ_CST ); proc->ready.sleep.wakes = 0;
74 __atomic_fetch_add( &cltr->ready.sleep.exits , proc->ready.sleep.exits , __ATOMIC_SEQ_CST ); proc->ready.sleep.exits = 0;
75
76 #if defined(CFA_HAVE_LINUX_IO_URING_H)
77 __atomic_fetch_add( &cltr->io.alloc.fast , proc->io.alloc.fast , __ATOMIC_SEQ_CST ); proc->io.alloc.fast = 0;
78 __atomic_fetch_add( &cltr->io.alloc.slow , proc->io.alloc.slow , __ATOMIC_SEQ_CST ); proc->io.alloc.slow = 0;
79 __atomic_fetch_add( &cltr->io.alloc.fail , proc->io.alloc.fail , __ATOMIC_SEQ_CST ); proc->io.alloc.fail = 0;
80 __atomic_fetch_add( &cltr->io.alloc.revoke , proc->io.alloc.revoke , __ATOMIC_SEQ_CST ); proc->io.alloc.revoke = 0;
81 __atomic_fetch_add( &cltr->io.alloc.block , proc->io.alloc.block , __ATOMIC_SEQ_CST ); proc->io.alloc.block = 0;
82 __atomic_fetch_add( &cltr->io.submit.fast , proc->io.submit.fast , __ATOMIC_SEQ_CST ); proc->io.submit.fast = 0;
83 __atomic_fetch_add( &cltr->io.submit.slow , proc->io.submit.slow , __ATOMIC_SEQ_CST ); proc->io.submit.slow = 0;
84 __atomic_fetch_add( &cltr->io.flush.external , proc->io.flush.external , __ATOMIC_SEQ_CST ); proc->io.flush.external = 0;
85 __atomic_fetch_add( &cltr->io.calls.flush , proc->io.calls.flush , __ATOMIC_SEQ_CST ); proc->io.calls.flush = 0;
86 __atomic_fetch_add( &cltr->io.calls.submitted , proc->io.calls.submitted , __ATOMIC_SEQ_CST ); proc->io.calls.submitted = 0;
87 __atomic_fetch_add( &cltr->io.calls.drain , proc->io.calls.drain , __ATOMIC_SEQ_CST ); proc->io.calls.drain = 0;
88 __atomic_fetch_add( &cltr->io.calls.completed , proc->io.calls.completed , __ATOMIC_SEQ_CST ); proc->io.calls.completed = 0;
89 __atomic_fetch_add( &cltr->io.calls.errors.busy, proc->io.calls.errors.busy, __ATOMIC_SEQ_CST ); proc->io.calls.errors.busy = 0;
90 __atomic_fetch_add( &cltr->io.poller.sleeps , proc->io.poller.sleeps , __ATOMIC_SEQ_CST ); proc->io.poller.sleeps = 0;
91 #endif
92 }
93
94 void __print_stats( struct __stats_t * stats, int flags, const char * type, const char * name, void * id ) with( *stats ) {
95
96 if( flags & CFA_STATS_READY_Q ) {
97 double push_len = ((double)ready.pick.push.attempt) / ready.pick.push.success;
98 double ext_len = ((double)ready.pick.ext .attempt) / ready.pick.ext .success;
99 double pop_len = ((double)ready.pick.pop .attempt) / ready.pick.pop .success;
100
101 double lpush_len = ((double)ready.pick.push.local) / ready.pick.push.lsuccess;
102 double lext_len = ((double)ready.pick.ext .local) / ready.pick.ext .lsuccess;
103 double lpop_len = ((double)ready.pick.pop .local) / ready.pick.pop .lsuccess;
104
105 __cfaabi_bits_print_safe( STDOUT_FILENO,
106 "----- %s \"%s\" (%p) - Ready Q Stats -----\n"
107 "- total threads : %'15" PRIu64 "run, %'15" PRIu64 "schd (%'" PRIu64 "ext, %'" PRIu64 "mig, %'" PRId64 " )\n"
108 "- push avg probe : %'3.2lf, %'3.2lfl (%'15" PRIu64 " attempts, %'15" PRIu64 " locals)\n"
109 "- ext avg probe : %'3.2lf, %'3.2lfl (%'15" PRIu64 " attempts, %'15" PRIu64 " locals)\n"
110 "- pop avg probe : %'3.2lf, %'3.2lfl (%'15" PRIu64 " attempts, %'15" PRIu64 " locals)\n"
111 "- Idle Sleep : %'15" PRIu64 "h, %'15" PRIu64 "c, %'15" PRIu64 "w, %'15" PRIu64 "e\n"
112 "\n"
113 , type, name, id
114 , ready.pick.pop.success
115 , ready.pick.push.success + ready.pick.ext.success
116 , ready.pick.ext.success, ready.threads.migration, ready.threads.threads
117 , push_len, lpush_len, ready.pick.push.attempt, ready.pick.push.local
118 , ext_len , lext_len , ready.pick.ext .attempt, ready.pick.ext .local
119 , pop_len , lpop_len , ready.pick.pop .attempt, ready.pick.pop .local
120 , ready.sleep.halts, ready.sleep.cancels, ready.sleep.wakes, ready.sleep.exits
121 );
122 }
123
124 #if defined(CFA_HAVE_LINUX_IO_URING_H)
125 if( flags & CFA_STATS_IO ) {
126 uint64_t total_allocs = io.alloc.fast + io.alloc.slow;
127 double avgfasta = ((double)io.alloc.fast) / total_allocs;
128
129 uint64_t total_submits = io.submit.fast + io.submit.slow;
130 double avgfasts = ((double)io.submit.fast) / total_submits;
131
132 double avgsubs = ((double)io.calls.submitted) / io.calls.flush;
133 double avgcomp = ((double)io.calls.completed) / io.calls.drain;
134
135 __cfaabi_bits_print_safe( STDOUT_FILENO,
136 "----- %s \"%s\" (%p) - I/O Stats -----\n"
137 "- total allocations : %'" PRIu64 "f, %'" PRIu64 "s (%'2.2lff) \n"
138 "- failures : %'" PRIu64 "oom, %'" PRIu64 "rvk, %'" PRIu64 "blk\n"
139 "- total submits : %'" PRIu64 "f, %'" PRIu64 "s (%'2.2lf) \n"
140 "- flush external : %'" PRIu64 "\n"
141 "- io_uring_enter : %'" PRIu64 " (%'" PRIu64 ", %'" PRIu64 " EBUSY)\n"
142 "- submits : %'" PRIu64 " (%'.2lf) \n"
143 "- completes : %'" PRIu64 " (%'.2lf) \n"
144 "- poller sleeping : %'" PRIu64 "\n"
145 "\n"
146 , type, name, id
147 , io.alloc.fast, io.alloc.slow, avgfasta
148 , io.alloc.fail, io.alloc.revoke, io.alloc.block
149 , io.submit.fast, io.submit.slow, avgfasts
150 , io.flush.external
151 , io.calls.flush, io.calls.drain, io.calls.errors.busy
152 , io.calls.submitted, avgsubs
153 , io.calls.completed, avgcomp
154 , io.poller.sleeps
155 );
156 }
157 #endif
158 }
159
160 #if defined(CFA_STATS_ARRAY)
161 extern "C" {
162 #include <stdio.h>
163 #include <errno.h>
164 #include <sys/stat.h>
165 #include <fcntl.h>
166 }
167
168 void __flush_stat( struct __stats_t * this, const char * name, void * handle) {
169 int ret = mkdir(".cfadata", 0755);
170 if(ret < 0 && errno != EEXIST) abort("Failed to create directory .cfadata: %d\n", errno);
171
172 char filename[100];
173 snprintf(filename, 100, ".cfadata/%s%p.data", name, handle);
174
175 int fd = open(filename, O_WRONLY | O_APPEND | O_CREAT, 0644);
176 if(fd < 0) abort("Failed to create file %s: %d\n", filename, errno);
177
178 for(i; this->array.cnt) {
179 char line[100];
180 size_t n = snprintf(line, 100, "%llu, %lld\n", this->array.values[i].ts, this->array.values[i].value);
181 write(fd, line, n);
182 }
183
184 this->array.cnt = 0;
185 close(fd);
186 }
187
188 static __spinlock_t stats_lock;
189
190 void __push_stat( struct __stats_t * this, int64_t value, bool external, const char * name, void * handle ) {
191 if(external) lock(stats_lock __cfaabi_dbg_ctx2);
192
193 if( this->array.cnt >= CFA_STATS_ARRAY ) __flush_stat( this, name, handle );
194
195 size_t idx = this->array.cnt;
196 this->array.cnt++;
197
198 if(external) unlock(stats_lock);
199
200 this->array.values[idx].ts = rdtscl();
201 this->array.values[idx].value = value;
202 }
203 #endif
204#endif
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