tests/regression/test_urcu_ja.h

   1 #ifndef _TEST_URCU_JA_H
   2 #define _TEST_URCU_JA_H
   3
   4 /*
   5  * test_urcu_ja.h
   6  *
   7  * Userspace RCU library - test program
   8  *
   9  * Copyright 2009-2012 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #include "../config.h"
  27 #include <stdio.h>
  28 #include <pthread.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <sys/types.h>
  32 #include <sys/wait.h>
  33 #include <unistd.h>
  34 #include <stdio.h>
  35 #include <assert.h>
  36 #include <sched.h>
  37 #include <errno.h>
  38 #include <signal.h>
  39
  40 #include <urcu/tls-compat.h>
  41 #include "thread-id.h"
  42
  43 #define DEFAULT_RAND_POOL       1000000
  44
  45 /* Make this big enough to include the POWER5+ L3 cacheline size of 256B */
  46 #define CACHE_LINE_SIZE 4096
  47
  48 /* hardcoded number of CPUs */
  49 #define NR_CPUS 16384
  50
  51 #ifdef POISON_FREE
  52 #define poison_free(ptr)                                \
  53         do {                                            \
  54                 memset(ptr, 0x42, sizeof(*(ptr)));      \
  55                 free(ptr);                              \
  56         } while (0)
  57 #else
  58 #define poison_free(ptr)        free(ptr)
  59 #endif
  60
  61 #ifndef DYNAMIC_LINK_TEST
  62 #define _LGPL_SOURCE
  63 #else
  64 #define debug_yield_read()
  65 #endif
  66 #include <urcu-qsbr.h>
  67 #include <urcu/rcuja.h>
  68 #include <urcu-call-rcu.h>
  69
  70 struct wr_count {
  71         unsigned long update_ops;
  72         unsigned long add;
  73         unsigned long add_exist;
  74         unsigned long remove;
  75 };
  76
  77 extern DECLARE_URCU_TLS(unsigned int, rand_lookup);
  78 extern DECLARE_URCU_TLS(unsigned long, nr_add);
  79 extern DECLARE_URCU_TLS(unsigned long, nr_addexist);
  80 extern DECLARE_URCU_TLS(unsigned long, nr_del);
  81 extern DECLARE_URCU_TLS(unsigned long, nr_delnoent);
  82 extern DECLARE_URCU_TLS(unsigned long, lookup_fail);
  83 extern DECLARE_URCU_TLS(unsigned long, lookup_ok);
  84
  85 extern struct cds_ja *test_ja;
  86
  87 struct ja_test_node {
  88         struct cds_ja_node node;
  89         uint64_t key;           /* for testing */
  90         struct rcu_head head;   /* delayed reclaim */
  91 };
  92
  93 static inline struct ja_test_node *
  94 to_test_node(struct cds_ja_node *node)
  95 {
  96         return caa_container_of(node, struct ja_test_node, node);
  97 }
  98
  99 static inline
 100 void ja_test_node_init(struct ja_test_node *node, uint64_t key)
 101 {
 102         cds_ja_node_init(&node->node);
 103         node->key = key;
 104 }
 105
 106 extern volatile int test_go, test_stop;
 107
 108 extern unsigned long wdelay;
 109
 110 extern unsigned long duration;
 111
 112 /* read-side C.S. duration, in loops */
 113 extern unsigned long rduration;
 114
 115 extern unsigned long init_populate;
 116 extern int add_only;
 117
 118 extern unsigned long init_pool_offset, lookup_pool_offset, write_pool_offset;
 119 extern unsigned long init_pool_size,
 120         lookup_pool_size,
 121         write_pool_size;
 122 extern int validate_lookup;
 123
 124 extern int count_pipe[2];
 125
 126 static inline void loop_sleep(unsigned long l)
 127 {
 128         while(l-- != 0)
 129                 caa_cpu_relax();
 130 }
 131
 132 extern int verbose_mode;
 133
 134 #define printf_verbose(fmt, args...)            \
 135         do {                                    \
 136                 if (verbose_mode)               \
 137                         printf(fmt, ## args);   \
 138         } while (0)
 139
 140 extern unsigned int cpu_affinities[NR_CPUS];
 141 extern unsigned int next_aff;
 142 extern int use_affinity;
 143
 144 extern pthread_mutex_t affinity_mutex;
 145
 146 #ifndef HAVE_CPU_SET_T
 147 typedef unsigned long cpu_set_t;
 148 # define CPU_ZERO(cpuset) do { *(cpuset) = 0; } while(0)
 149 # define CPU_SET(cpu, cpuset) do { *(cpuset) |= (1UL << (cpu)); } while(0)
 150 #endif
 151
 152 void set_affinity(void);
 153
 154 /*
 155  * returns 0 if test should end.
 156  */
 157 static inline int test_duration_write(void)
 158 {
 159         return !test_stop;
 160 }
 161
 162 static inline int test_duration_read(void)
 163 {
 164         return !test_stop;
 165 }
 166
 167 extern DECLARE_URCU_TLS(unsigned long long, nr_writes);
 168 extern DECLARE_URCU_TLS(unsigned long long, nr_reads);
 169
 170 extern unsigned int nr_readers;
 171 extern unsigned int nr_writers;
 172
 173 void rcu_copy_mutex_lock(void);
 174 void rcu_copy_mutex_unlock(void);
 175
 176 #endif /* _TEST_URCU_JA_H */