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stats.cfa @ e8ac228

ADTast-experimentalenumforall-pointer-decaypthread-emulationqualifiedEnum

Last change on this file since e8ac228 was db614d0, checked in by Thierry Delisle <tdelisle@…>, 3 years ago
Added stats for epoll
Property mode set to `100644`
File size: 11.0 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	#include "strstream.hfa"
10
11	#if !defined(__CFA_NO_STATISTICS__)
12	void __init_stats( struct __stats_t * stats ) {
13	stats->ready.push.local.attempt = 0;
14	stats->ready.push.local.success = 0;
15	stats->ready.push.share.attempt = 0;
16	stats->ready.push.share.success = 0;
17	stats->ready.push.extrn.attempt = 0;
18	stats->ready.push.extrn.success = 0;
19	stats->ready.pop.local .attempt = 0;
20	stats->ready.pop.local .success = 0;
21	stats->ready.pop.help .attempt = 0;
22	stats->ready.pop.help .success = 0;
23	stats->ready.pop.steal .attempt = 0;
24	stats->ready.pop.steal .success = 0;
25	stats->ready.pop.search.attempt = 0;
26	stats->ready.pop.search.success = 0;
27	stats->ready.threads.migration = 0;
28	stats->ready.threads.extunpark = 0;
29	stats->ready.threads.threads = 0;
30	stats->ready.threads.cthreads = 0;
31	stats->ready.sleep.halts = 0;
32	stats->ready.sleep.cancels = 0;
33	stats->ready.sleep.wakes = 0;
34	stats->ready.sleep.exits = 0;
35
36	#if defined(CFA_HAVE_LINUX_IO_URING_H)
37	stats->io.alloc.fast = 0;
38	stats->io.alloc.slow = 0;
39	stats->io.alloc.fail = 0;
40	stats->io.alloc.revoke = 0;
41	stats->io.alloc.block = 0;
42	stats->io.submit.fast = 0;
43	stats->io.submit.slow = 0;
44	stats->io.flush.external = 0;
45	stats->io.calls.flush = 0;
46	stats->io.calls.submitted = 0;
47	stats->io.calls.drain = 0;
48	stats->io.calls.completed = 0;
49	stats->io.calls.errors.busy = 0;
50	stats->io.ops.sockread = 0;
51	stats->io.ops.epllread = 0;
52	stats->io.ops.sockwrite = 0;
53	stats->io.ops.epllwrite = 0;
54	#endif
55
56	#if defined(CFA_STATS_ARRAY)
57	stats->array.values = alloc(CFA_STATS_ARRAY);
58	stats->array.cnt = 0;
59	#endif
60	}
61
62	static inline void tally_one( volatile uint64_t * agg, volatile uint64_t * val) {
63	uint64_t add = __atomic_exchange_n(val, 0_l64u, __ATOMIC_RELAXED);
64	__atomic_fetch_add(agg, add, __ATOMIC_RELAXED);
65	}
66
67	static inline void tally_one( volatile int64_t * agg, volatile int64_t * val) {
68	int64_t add = __atomic_exchange_n(val, 0_l64, __ATOMIC_RELAXED);
69	__atomic_fetch_add(agg, add, __ATOMIC_RELAXED);
70	}
71
72	void __tally_stats( struct __stats_t * cltr, struct __stats_t * proc ) {
73	tally_one( &cltr->ready.push.local.attempt, &proc->ready.push.local.attempt );
74	tally_one( &cltr->ready.push.local.success, &proc->ready.push.local.success );
75	tally_one( &cltr->ready.push.share.attempt, &proc->ready.push.share.attempt );
76	tally_one( &cltr->ready.push.share.success, &proc->ready.push.share.success );
77	tally_one( &cltr->ready.push.extrn.attempt, &proc->ready.push.extrn.attempt );
78	tally_one( &cltr->ready.push.extrn.success, &proc->ready.push.extrn.success );
79	tally_one( &cltr->ready.pop.local .attempt, &proc->ready.pop.local .attempt );
80	tally_one( &cltr->ready.pop.local .success, &proc->ready.pop.local .success );
81	tally_one( &cltr->ready.pop.help .attempt, &proc->ready.pop.help .attempt );
82	tally_one( &cltr->ready.pop.help .success, &proc->ready.pop.help .success );
83	tally_one( &cltr->ready.pop.steal .attempt, &proc->ready.pop.steal .attempt );
84	tally_one( &cltr->ready.pop.steal .success, &proc->ready.pop.steal .success );
85	tally_one( &cltr->ready.pop.search.attempt, &proc->ready.pop.search.attempt );
86	tally_one( &cltr->ready.pop.search.success, &proc->ready.pop.search.success );
87	tally_one( &cltr->ready.threads.migration , &proc->ready.threads.migration );
88	tally_one( &cltr->ready.threads.extunpark , &proc->ready.threads.extunpark );
89	tally_one( &cltr->ready.threads.threads , &proc->ready.threads.threads );
90	tally_one( &cltr->ready.threads.cthreads , &proc->ready.threads.cthreads );
91	tally_one( &cltr->ready.sleep.halts , &proc->ready.sleep.halts );
92	tally_one( &cltr->ready.sleep.cancels , &proc->ready.sleep.cancels );
93	tally_one( &cltr->ready.sleep.wakes , &proc->ready.sleep.wakes );
94	tally_one( &cltr->ready.sleep.exits , &proc->ready.sleep.exits );
95
96	#if defined(CFA_HAVE_LINUX_IO_URING_H)
97	tally_one( &cltr->io.alloc.fast , &proc->io.alloc.fast );
98	tally_one( &cltr->io.alloc.slow , &proc->io.alloc.slow );
99	tally_one( &cltr->io.alloc.fail , &proc->io.alloc.fail );
100	tally_one( &cltr->io.alloc.revoke , &proc->io.alloc.revoke );
101	tally_one( &cltr->io.alloc.block , &proc->io.alloc.block );
102	tally_one( &cltr->io.submit.fast , &proc->io.submit.fast );
103	tally_one( &cltr->io.submit.slow , &proc->io.submit.slow );
104	tally_one( &cltr->io.flush.external , &proc->io.flush.external );
105	tally_one( &cltr->io.calls.flush , &proc->io.calls.flush );
106	tally_one( &cltr->io.calls.submitted , &proc->io.calls.submitted );
107	tally_one( &cltr->io.calls.drain , &proc->io.calls.drain );
108	tally_one( &cltr->io.calls.completed , &proc->io.calls.completed );
109	tally_one( &cltr->io.calls.errors.busy, &proc->io.calls.errors.busy );
110	tally_one( &cltr->io.ops.sockread , &proc->io.ops.sockread );
111	tally_one( &cltr->io.ops.epllread , &proc->io.ops.epllread );
112	tally_one( &cltr->io.ops.sockwrite , &proc->io.ops.sockwrite );
113	tally_one( &cltr->io.ops.epllwrite , &proc->io.ops.epllwrite );
114	#endif
115	}
116
117	#define eng3(X) (ws(3, 3, unit(eng( X ))))
118
119	void __print_stats( struct __stats_t * stats, int flags, const char * type, const char * name, void * id ) with( *stats ) {
120
121	char buf[1024];
122	ostrstream sstr = { buf, 1024 };
123
124	if( flags & CFA_STATS_READY_Q ) {
125
126	sstr \| "----- " \| type \| " \"" \| name \| "\" (" \| "" \| id \| "" \| ") - Ready Q Stats -----";
127
128	uint64_t totalR = ready.pop.local.success + ready.pop.help.success + ready.pop.steal.success + ready.pop.search.success;
129	uint64_t totalS = ready.push.local.success + ready.push.share.success + ready.push.extrn.success;
130	sstr \| "- totals : " \| eng3(totalR) \| "run," \| eng3(totalS) \| "schd (" \| eng3(ready.push.extrn.success) \| "ext,"
131	\| eng3(ready.threads.migration) \| "mig," \| eng3(ready.threads.extunpark) \| " eupk," \| ready.threads.threads \| " t," \| ready.threads.cthreads \| " cthr)";
132
133	double push_len = ((double)ready.push.local.attempt + ready.push.share.attempt + ready.push.extrn.attempt) / totalS;
134	double sLcl_len = ready.push.local.success ? ((double)ready.push.local.attempt) / ready.push.local.success : 0;
135	double sOth_len = ready.push.share.success ? ((double)ready.push.share.attempt) / ready.push.share.success : 0;
136	double sExt_len = ready.push.extrn.success ? ((double)ready.push.extrn.attempt) / ready.push.extrn.success : 0;
137	sstr \| "- push avg : " \| ws(3, 3, push_len)
138	\| "- l: " \| eng3(ready.push.local.attempt) \| " (" \| ws(3, 3, sLcl_len) \| ")"
139	\| ", s: " \| eng3(ready.push.share.attempt) \| " (" \| ws(3, 3, sOth_len) \| ")"
140	\| ", e: " \| eng3(ready.push.extrn.attempt) \| " (" \| ws(3, 3, sExt_len) \| ")";
141
142	double rLcl_pc = (100.0 * (double)ready.pop.local .success) / totalR;
143	sstr \| "- local : " \| eng3(ready.pop.local .success) \| "-"\| ws(3, 3, rLcl_pc) \| '%'
144	\| " (" \| eng3(ready.pop.local .attempt) \| " try)";
145	double rHlp_pc = (100.0 * (double)ready.pop.help .success) / totalR;
146	sstr \| "- help : " \| eng3(ready.pop.help .success) \| "-"\| ws(3, 3, rHlp_pc) \| '%'
147	\| " (" \| eng3(ready.pop.help .attempt) \| " try)";
148	double rStl_pc = (100.0 * (double)ready.pop.steal .success) / totalR;
149	sstr \| "- steal : " \| eng3(ready.pop.steal .success) \| "-"\| ws(3, 3, rStl_pc) \| '%'
150	\| " (" \| eng3(ready.pop.steal .attempt) \| " try)";
151	double rSch_pc = (100.0 * (double)ready.pop.search.success) / totalR;
152	sstr \| "- search : " \| eng3(ready.pop.search.success) \| "-"\| ws(3, 3, rSch_pc) \| '%'
153	\| " (" \| eng3(ready.pop.search.attempt) \| " try)";
154
155	sstr \| "- Idle Slp : " \| eng3(ready.sleep.halts) \| "halt," \| eng3(ready.sleep.cancels) \| "cancel," \| eng3(ready.sleep.wakes) \| "wake," \| eng3(ready.sleep.exits) \| "exit";
156	sstr \| nl;
157	}
158
159	#if defined(CFA_HAVE_LINUX_IO_URING_H)
160	if( flags & CFA_STATS_IO ) {
161	sstr \| "----- " \| type \| " \"" \| name \| "\" (" \| "" \| id \| "" \| ") - I/O Stats -----";
162
163	uint64_t total_allocs = io.alloc.fast + io.alloc.slow;
164
165	uint64_t total_submits = io.submit.fast + io.submit.slow;
166	sstr \| "- totals : allc" \| eng3(io.alloc .fast) \| nonl;
167	if(io.alloc.slow) {
168	double avgfasta = (100.0 * (double)io.alloc.fast) / total_allocs;
169	sstr \| "fast," \| eng3(io.alloc .slow) \| "slow (" \| ws(3, 3, avgfasta) \| "%)" \| nonl;
170	}
171	sstr \| " - subm" \| eng3(io.submit.fast) \| nonl;
172	if(io.alloc.slow) {
173	double avgfasts = (100.0 * (double)io.submit.fast) / total_submits;
174	sstr \| "fast," \| eng3(io.submit.slow) \| "slow (" \| ws(3, 3, avgfasts) \| "%)" \| nonl;
175	}
176	sstr \| nl;
177
178	if(io.alloc.fail \|\| io.alloc.revoke \|\| io.alloc.block)
179	sstr \| "- failures : " \| eng3(io.alloc.fail) \| "oom, " \| eng3(io.alloc.revoke) \| "rvk, " \| eng3(io.alloc.block) \| "blk";
180	if(io.flush.external)
181	sstr \| "- flush external : " \| eng3(io.flush.external);
182
183	double avgsubs = ((double)io.calls.submitted) / io.calls.flush;
184	double avgcomp = ((double)io.calls.completed) / io.calls.drain;
185	sstr \| "- syscll : "
186	\| " sub " \| eng3(io.calls.flush) \| "/" \| eng3(io.calls.submitted) \| "(" \| ws(3, 3, avgsubs) \| "/flush)"
187	\| " - cmp " \| eng3(io.calls.drain) \| "/" \| eng3(io.calls.completed) \| "(" \| ws(3, 3, avgcomp) \| "/drain)"
188	\| " - " \| eng3(io.calls.errors.busy) \| " EBUSY";
189	sstr \| "- ops blk: "
190	\| " sk rd: " \| eng3(io.ops.sockread) \| "epll: " \| eng3(io.ops.epllread)
191	\| " sk wr: " \| eng3(io.ops.sockwrite) \| "epll: " \| eng3(io.ops.epllwrite);
192	sstr \| nl;
193	}
194	#endif
195
196	if(flags) write( sstr, stdout );
197	}
198
199	#if defined(CFA_STATS_ARRAY)
200	extern "C" {
201	#include <stdio.h>
202	#include <errno.h>
203	#include <sys/stat.h>
204	#include <fcntl.h>
205	}
206
207	void __flush_stat( struct __stats_t * this, const char * name, void * handle) {
208	int ret = mkdir(".cfadata", 0755);
209	if(ret < 0 && errno != EEXIST) abort("Failed to create directory .cfadata: %d\n", errno);
210
211	char filename[100];
212	snprintf(filename, 100, ".cfadata/%s%p.data", name, handle);
213
214	int fd = open(filename, O_WRONLY \| O_APPEND \| O_CREAT, 0644);
215	if(fd < 0) abort("Failed to create file %s: %d\n", filename, errno);
216
217	for(i; this->array.cnt) {
218	char line[100];
219	size_t n = snprintf(line, 100, "%llu, %lld\n", this->array.values[i].ts, this->array.values[i].value);
220	write(fd, line, n);
221	}
222
223	this->array.cnt = 0;
224	close(fd);
225	}
226
227	static __spinlock_t stats_lock;
228
229	void __push_stat( struct __stats_t * this, int64_t value, bool external, const char * name, void * handle ) {
230	if(external) lock(stats_lock __cfaabi_dbg_ctx2);
231
232	if( this->array.cnt >= CFA_STATS_ARRAY ) __flush_stat( this, name, handle );
233
234	size_t idx = this->array.cnt;
235	this->array.cnt++;
236
237	if(external) unlock(stats_lock);
238
239	this->array.values[idx].ts = rdtscl();
240	this->array.values[idx].value = value;
241	}
242	#endif
243	#endif

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