source: libcfa/src/concurrency/stats.hfa@ 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: 3.6 KB
Line 
1#pragma once
2
3// #define CFA_STATS_ARRAY 10000
4
5#include <stdint.h>
6
7enum {
8 CFA_STATS_READY_Q = 0x01,
9 CFA_STATS_IO = 0x02,
10};
11
12#if defined(__CFA_NO_STATISTICS__)
13 struct __stats_t;
14 static inline void __init_stats( struct __stats_t * ) {}
15 static inline void __tally_stats( struct __stats_t *, struct __stats_t * ) {}
16 static inline void __print_stats( struct __stats_t *, int, const char *, const char *, void * ) {}
17#else
18
19 struct __attribute__((aligned(64))) __stats_readQ_t {
20 struct {
21 // Push statistic
22 struct {
23 // number of attemps at pushing something
24 volatile uint64_t attempt;
25
26 // number of successes at pushing
27 volatile uint64_t success;
28
29 // number of attemps at pushing something to preferred queues
30 volatile uint64_t local;
31
32 // number of successes at pushing to preferred queues
33 volatile uint64_t lsuccess;
34 } push;
35
36 struct {
37 // number of attemps at pushing something
38 volatile uint64_t attempt;
39
40 // number of successes at pushing
41 volatile uint64_t success;
42
43 // number of attemps at pushing something to preferred queues
44 volatile uint64_t local;
45
46 // number of successes at pushing to preferred queues
47 volatile uint64_t lsuccess;
48 } ext;
49
50 // Pop statistic
51 struct {
52 // number of reads of the mask
53 // picking an empty __cfa_readyQ_mask_t counts here
54 // but not as an attempt
55 volatile uint64_t probe;
56
57 // number of attemps at poping something
58 volatile uint64_t attempt;
59
60 // number of successes at poping
61 volatile uint64_t success;
62
63 // number of attemps at poping something to preferred queues
64 volatile uint64_t local;
65
66 // number of successes at poping to preferred queues
67 volatile uint64_t lsuccess;
68 } pop;
69 } pick;
70 struct {
71 volatile uint64_t migration;
72 volatile int64_t threads; // number of threads in the system, includes only local change
73 } threads;
74 struct {
75 volatile uint64_t halts;
76 volatile uint64_t cancels;
77 volatile uint64_t wakes;
78 volatile uint64_t exits;
79 } sleep;
80 };
81
82 #if defined(CFA_HAVE_LINUX_IO_URING_H)
83 struct __attribute__((aligned(64))) __stats_io_t{
84 struct {
85 volatile uint64_t fast;
86 volatile uint64_t slow;
87 volatile uint64_t fail;
88 volatile uint64_t revoke;
89 volatile uint64_t block;
90 } alloc;
91 struct {
92 volatile uint64_t fast;
93 volatile uint64_t slow;
94 } submit;
95 struct {
96 volatile uint64_t external;
97 } flush;
98 struct {
99 volatile uint64_t drain;
100 volatile uint64_t completed;
101 volatile uint64_t flush;
102 volatile uint64_t submitted;
103 struct {
104 volatile uint64_t busy;
105 } errors;
106 } calls;
107 struct {
108 volatile uint64_t sleeps;
109 } poller;
110 };
111 #endif
112
113 #if defined(CFA_STATS_ARRAY)
114 struct __stats_elem_t {
115 long long int ts;
116 int64_t value;
117 };
118 #endif
119
120 struct __attribute__((aligned(128))) __stats_t {
121 __stats_readQ_t ready;
122 #if defined(CFA_HAVE_LINUX_IO_URING_H)
123 __stats_io_t io;
124 #endif
125
126 #if defined(CFA_STATS_ARRAY)
127 struct {
128 __stats_elem_t * values;
129 volatile size_t cnt;
130 } array;
131 #endif
132
133 };
134
135 void __init_stats ( struct __stats_t * );
136 void __tally_stats( struct __stats_t *, struct __stats_t * );
137 void __print_stats( struct __stats_t *, int, const char *, const char *, void * );
138 #if defined(CFA_STATS_ARRAY)
139 void __push_stat ( struct __stats_t *, int64_t value, bool external, const char * name, void * handle);
140 void __flush_stat( struct __stats_t *, const char *, void * );
141 #else
142 static inline void __push_stat ( struct __stats_t *, int64_t, bool, const char *, void * ) {}
143 static inline void __flush_stat( struct __stats_t *, const char *, void * ) {}
144 #endif
145#endif
146
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