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stats.cfa @ f681823

ADTast-experimentalenumforall-pointer-decaypthread-emulationqualifiedEnum

Last change on this file since f681823 was 7cf3b1d, checked in by Thierry Delisle <tdelisle@…>, 3 years ago
Added level of indirection to idle sleeps which helps statistics.
Property mode set to `100644`
File size: 11.4 KB

Rev	Line
[8834751]	1	#include <stdint.h>
	2	#include <stdlib.hfa>
	3
	4	#include <unistd.h> // STDERR_FILENO
[7812a7b5]	5	#include <inttypes.h>
[8834751]	6	#include "bits/debug.hfa"
[73f4d08]	7	#include "bits/locks.hfa"
[8834751]	8	#include "stats.hfa"
[986cb99]	9	#include "strstream.hfa"
[8834751]	10
	11	#if !defined(__CFA_NO_STATISTICS__)
	12	void __init_stats( struct __stats_t * stats ) {
[d2fadeb]	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;
[29cb302]	27	stats->ready.threads.migration = 0;
[3bd4293]	28	stats->ready.threads.extunpark = 0;
[ec43cf9]	29	stats->ready.threads.threads = 0;
[78ea291]	30	stats->ready.threads.cthreads = 0;
[68f36f4]	31	stats->ready.sleep.halts = 0;
	32	stats->ready.sleep.cancels = 0;
[7cf3b1d]	33	stats->ready.sleep.early = 0;
[68f36f4]	34	stats->ready.sleep.wakes = 0;
[7cf3b1d]	35	stats->ready.sleep.seen = 0;
[68f36f4]	36	stats->ready.sleep.exits = 0;
[8834751]	37
[5751a56]	38	#if defined(CFA_HAVE_LINUX_IO_URING_H)
[d60d30e]	39	stats->io.alloc.fast = 0;
	40	stats->io.alloc.slow = 0;
	41	stats->io.alloc.fail = 0;
	42	stats->io.alloc.revoke = 0;
	43	stats->io.alloc.block = 0;
	44	stats->io.submit.fast = 0;
	45	stats->io.submit.slow = 0;
	46	stats->io.flush.external = 0;
[dddb3dd0]	47	stats->io.calls.flush = 0;
[d60d30e]	48	stats->io.calls.submitted = 0;
[dddb3dd0]	49	stats->io.calls.drain = 0;
[d60d30e]	50	stats->io.calls.completed = 0;
	51	stats->io.calls.errors.busy = 0;
[db614d0]	52	stats->io.ops.sockread = 0;
	53	stats->io.ops.epllread = 0;
	54	stats->io.ops.sockwrite = 0;
	55	stats->io.ops.epllwrite = 0;
[8834751]	56	#endif
[73f4d08]	57
	58	#if defined(CFA_STATS_ARRAY)
	59	stats->array.values = alloc(CFA_STATS_ARRAY);
	60	stats->array.cnt = 0;
	61	#endif
[8834751]	62	}
	63
[45b9b21]	64	static inline void tally_one( volatile uint64_t * agg, volatile uint64_t * val) {
	65	uint64_t add = __atomic_exchange_n(val, 0_l64u, __ATOMIC_RELAXED);
	66	__atomic_fetch_add(agg, add, __ATOMIC_RELAXED);
	67	}
	68
	69	static inline void tally_one( volatile int64_t * agg, volatile int64_t * val) {
	70	int64_t add = __atomic_exchange_n(val, 0_l64, __ATOMIC_RELAXED);
	71	__atomic_fetch_add(agg, add, __ATOMIC_RELAXED);
	72	}
	73
[8834751]	74	void __tally_stats( struct __stats_t * cltr, struct __stats_t * proc ) {
[45b9b21]	75	tally_one( &cltr->ready.push.local.attempt, &proc->ready.push.local.attempt );
	76	tally_one( &cltr->ready.push.local.success, &proc->ready.push.local.success );
	77	tally_one( &cltr->ready.push.share.attempt, &proc->ready.push.share.attempt );
	78	tally_one( &cltr->ready.push.share.success, &proc->ready.push.share.success );
	79	tally_one( &cltr->ready.push.extrn.attempt, &proc->ready.push.extrn.attempt );
	80	tally_one( &cltr->ready.push.extrn.success, &proc->ready.push.extrn.success );
	81	tally_one( &cltr->ready.pop.local .attempt, &proc->ready.pop.local .attempt );
	82	tally_one( &cltr->ready.pop.local .success, &proc->ready.pop.local .success );
	83	tally_one( &cltr->ready.pop.help .attempt, &proc->ready.pop.help .attempt );
	84	tally_one( &cltr->ready.pop.help .success, &proc->ready.pop.help .success );
	85	tally_one( &cltr->ready.pop.steal .attempt, &proc->ready.pop.steal .attempt );
	86	tally_one( &cltr->ready.pop.steal .success, &proc->ready.pop.steal .success );
	87	tally_one( &cltr->ready.pop.search.attempt, &proc->ready.pop.search.attempt );
	88	tally_one( &cltr->ready.pop.search.success, &proc->ready.pop.search.success );
	89	tally_one( &cltr->ready.threads.migration , &proc->ready.threads.migration );
	90	tally_one( &cltr->ready.threads.extunpark , &proc->ready.threads.extunpark );
	91	tally_one( &cltr->ready.threads.threads , &proc->ready.threads.threads );
[78ea291]	92	tally_one( &cltr->ready.threads.cthreads , &proc->ready.threads.cthreads );
[45b9b21]	93	tally_one( &cltr->ready.sleep.halts , &proc->ready.sleep.halts );
	94	tally_one( &cltr->ready.sleep.cancels , &proc->ready.sleep.cancels );
[7cf3b1d]	95	tally_one( &cltr->ready.sleep.early , &proc->ready.sleep.early );
[45b9b21]	96	tally_one( &cltr->ready.sleep.wakes , &proc->ready.sleep.wakes );
[7cf3b1d]	97	tally_one( &cltr->ready.sleep.seen , &proc->ready.sleep.wakes );
[45b9b21]	98	tally_one( &cltr->ready.sleep.exits , &proc->ready.sleep.exits );
[8834751]	99
[5751a56]	100	#if defined(CFA_HAVE_LINUX_IO_URING_H)
[45b9b21]	101	tally_one( &cltr->io.alloc.fast , &proc->io.alloc.fast );
	102	tally_one( &cltr->io.alloc.slow , &proc->io.alloc.slow );
	103	tally_one( &cltr->io.alloc.fail , &proc->io.alloc.fail );
	104	tally_one( &cltr->io.alloc.revoke , &proc->io.alloc.revoke );
	105	tally_one( &cltr->io.alloc.block , &proc->io.alloc.block );
	106	tally_one( &cltr->io.submit.fast , &proc->io.submit.fast );
	107	tally_one( &cltr->io.submit.slow , &proc->io.submit.slow );
	108	tally_one( &cltr->io.flush.external , &proc->io.flush.external );
	109	tally_one( &cltr->io.calls.flush , &proc->io.calls.flush );
	110	tally_one( &cltr->io.calls.submitted , &proc->io.calls.submitted );
	111	tally_one( &cltr->io.calls.drain , &proc->io.calls.drain );
	112	tally_one( &cltr->io.calls.completed , &proc->io.calls.completed );
	113	tally_one( &cltr->io.calls.errors.busy, &proc->io.calls.errors.busy );
[db614d0]	114	tally_one( &cltr->io.ops.sockread , &proc->io.ops.sockread );
	115	tally_one( &cltr->io.ops.epllread , &proc->io.ops.epllread );
	116	tally_one( &cltr->io.ops.sockwrite , &proc->io.ops.sockwrite );
	117	tally_one( &cltr->io.ops.epllwrite , &proc->io.ops.epllwrite );
[8834751]	118	#endif
	119	}
	120
[986cb99]	121	#define eng3(X) (ws(3, 3, unit(eng( X ))))
	122
[1b033b8]	123	void __print_stats( struct __stats_t * stats, int flags, const char * type, const char * name, void * id ) with( *stats ) {
[8834751]	124
[986cb99]	125	char buf[1024];
[bbbd2c4]	126	ostrstream sstr = { buf, 1024 };
[986cb99]	127
[69fbc61]	128	if( flags & CFA_STATS_READY_Q ) {
[986cb99]	129
[78ea291]	130	sstr \| "----- " \| type \| " \"" \| name \| "\" (" \| "" \| id \| "" \| ") - Ready Q Stats -----";
[986cb99]	131
	132	uint64_t totalR = ready.pop.local.success + ready.pop.help.success + ready.pop.steal.success + ready.pop.search.success;
	133	uint64_t totalS = ready.push.local.success + ready.push.share.success + ready.push.extrn.success;
[78ea291]	134	sstr \| "- totals : " \| eng3(totalR) \| "run," \| eng3(totalS) \| "schd (" \| eng3(ready.push.extrn.success) \| "ext,"
	135	\| eng3(ready.threads.migration) \| "mig," \| eng3(ready.threads.extunpark) \| " eupk," \| ready.threads.threads \| " t," \| ready.threads.cthreads \| " cthr)";
[986cb99]	136
	137	double push_len = ((double)ready.push.local.attempt + ready.push.share.attempt + ready.push.extrn.attempt) / totalS;
[d2fadeb]	138	double sLcl_len = ready.push.local.success ? ((double)ready.push.local.attempt) / ready.push.local.success : 0;
	139	double sOth_len = ready.push.share.success ? ((double)ready.push.share.attempt) / ready.push.share.success : 0;
	140	double sExt_len = ready.push.extrn.success ? ((double)ready.push.extrn.attempt) / ready.push.extrn.success : 0;
[986cb99]	141	sstr \| "- push avg : " \| ws(3, 3, push_len)
	142	\| "- l: " \| eng3(ready.push.local.attempt) \| " (" \| ws(3, 3, sLcl_len) \| ")"
	143	\| ", s: " \| eng3(ready.push.share.attempt) \| " (" \| ws(3, 3, sOth_len) \| ")"
	144	\| ", e: " \| eng3(ready.push.extrn.attempt) \| " (" \| ws(3, 3, sExt_len) \| ")";
	145
	146	double rLcl_pc = (100.0 * (double)ready.pop.local .success) / totalR;
	147	sstr \| "- local : " \| eng3(ready.pop.local .success) \| "-"\| ws(3, 3, rLcl_pc) \| '%'
[78ea291]	148	\| " (" \| eng3(ready.pop.local .attempt) \| " try)";
[986cb99]	149	double rHlp_pc = (100.0 * (double)ready.pop.help .success) / totalR;
	150	sstr \| "- help : " \| eng3(ready.pop.help .success) \| "-"\| ws(3, 3, rHlp_pc) \| '%'
[78ea291]	151	\| " (" \| eng3(ready.pop.help .attempt) \| " try)";
[986cb99]	152	double rStl_pc = (100.0 * (double)ready.pop.steal .success) / totalR;
	153	sstr \| "- steal : " \| eng3(ready.pop.steal .success) \| "-"\| ws(3, 3, rStl_pc) \| '%'
[78ea291]	154	\| " (" \| eng3(ready.pop.steal .attempt) \| " try)";
[986cb99]	155	double rSch_pc = (100.0 * (double)ready.pop.search.success) / totalR;
	156	sstr \| "- search : " \| eng3(ready.pop.search.success) \| "-"\| ws(3, 3, rSch_pc) \| '%'
[78ea291]	157	\| " (" \| eng3(ready.pop.search.attempt) \| " try)";
[986cb99]	158
[7cf3b1d]	159	sstr \| "- Idle Slp : " \| eng3(ready.sleep.halts) \| "halt," \| eng3(ready.sleep.cancels) \| "cancel,"
	160	\| eng3(ready.sleep.wakes + ready.sleep.early) \| '(' \| eng3(ready.sleep.early) \| ',' \| eng3(ready.sleep.seen) \| ')' \| " wake(early, seen),"
	161	\| eng3(ready.sleep.exits) \| "exit";
[986cb99]	162	sstr \| nl;
[69fbc61]	163	}
	164
[5751a56]	165	#if defined(CFA_HAVE_LINUX_IO_URING_H)
[69fbc61]	166	if( flags & CFA_STATS_IO ) {
[78ea291]	167	sstr \| "----- " \| type \| " \"" \| name \| "\" (" \| "" \| id \| "" \| ") - I/O Stats -----";
[986cb99]	168
[d60d30e]	169	uint64_t total_allocs = io.alloc.fast + io.alloc.slow;
[69fbc61]	170
[d60d30e]	171	uint64_t total_submits = io.submit.fast + io.submit.slow;
[78ea291]	172	sstr \| "- totals : allc" \| eng3(io.alloc .fast) \| nonl;
	173	if(io.alloc.slow) {
	174	double avgfasta = (100.0 * (double)io.alloc.fast) / total_allocs;
	175	sstr \| "fast," \| eng3(io.alloc .slow) \| "slow (" \| ws(3, 3, avgfasta) \| "%)" \| nonl;
	176	}
	177	sstr \| " - subm" \| eng3(io.submit.fast) \| nonl;
	178	if(io.alloc.slow) {
	179	double avgfasts = (100.0 * (double)io.submit.fast) / total_submits;
	180	sstr \| "fast," \| eng3(io.submit.slow) \| "slow (" \| ws(3, 3, avgfasts) \| "%)" \| nonl;
	181	}
	182	sstr \| nl;
[986cb99]	183
[78ea291]	184	if(io.alloc.fail \|\| io.alloc.revoke \|\| io.alloc.block)
	185	sstr \| "- failures : " \| eng3(io.alloc.fail) \| "oom, " \| eng3(io.alloc.revoke) \| "rvk, " \| eng3(io.alloc.block) \| "blk";
	186	if(io.flush.external)
	187	sstr \| "- flush external : " \| eng3(io.flush.external);
[69fbc61]	188
[dddb3dd0]	189	double avgsubs = ((double)io.calls.submitted) / io.calls.flush;
	190	double avgcomp = ((double)io.calls.completed) / io.calls.drain;
[78ea291]	191	sstr \| "- syscll : "
	192	\| " sub " \| eng3(io.calls.flush) \| "/" \| eng3(io.calls.submitted) \| "(" \| ws(3, 3, avgsubs) \| "/flush)"
	193	\| " - cmp " \| eng3(io.calls.drain) \| "/" \| eng3(io.calls.completed) \| "(" \| ws(3, 3, avgcomp) \| "/drain)"
	194	\| " - " \| eng3(io.calls.errors.busy) \| " EBUSY";
[db614d0]	195	sstr \| "- ops blk: "
	196	\| " sk rd: " \| eng3(io.ops.sockread) \| "epll: " \| eng3(io.ops.epllread)
	197	\| " sk wr: " \| eng3(io.ops.sockwrite) \| "epll: " \| eng3(io.ops.epllwrite);
[986cb99]	198	sstr \| nl;
[69fbc61]	199	}
[c34ebf2]	200	#endif
[986cb99]	201
	202	if(flags) write( sstr, stdout );
[8834751]	203	}
[73f4d08]	204
	205	#if defined(CFA_STATS_ARRAY)
	206	extern "C" {
	207	#include <stdio.h>
	208	#include <errno.h>
	209	#include <sys/stat.h>
	210	#include <fcntl.h>
	211	}
	212
	213	void __flush_stat( struct __stats_t * this, const char * name, void * handle) {
	214	int ret = mkdir(".cfadata", 0755);
	215	if(ret < 0 && errno != EEXIST) abort("Failed to create directory .cfadata: %d\n", errno);
	216
	217	char filename[100];
	218	snprintf(filename, 100, ".cfadata/%s%p.data", name, handle);
	219
	220	int fd = open(filename, O_WRONLY \| O_APPEND \| O_CREAT, 0644);
	221	if(fd < 0) abort("Failed to create file %s: %d\n", filename, errno);
	222
	223	for(i; this->array.cnt) {
	224	char line[100];
	225	size_t n = snprintf(line, 100, "%llu, %lld\n", this->array.values[i].ts, this->array.values[i].value);
	226	write(fd, line, n);
	227	}
	228
	229	this->array.cnt = 0;
	230	close(fd);
	231	}
	232
	233	static __spinlock_t stats_lock;
	234
	235	void __push_stat( struct __stats_t * this, int64_t value, bool external, const char * name, void * handle ) {
	236	if(external) lock(stats_lock __cfaabi_dbg_ctx2);
	237
	238	if( this->array.cnt >= CFA_STATS_ARRAY ) __flush_stat( this, name, handle );
	239
	240	size_t idx = this->array.cnt;
	241	this->array.cnt++;
	242
	243	if(external) unlock(stats_lock);
	244
	245	this->array.values[idx].ts = rdtscl();
	246	this->array.values[idx].value = value;
	247	}
	248	#endif
[bbbd2c4]	249	#endif

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