tests/test_urcu_ja_range.h

   1 #ifndef _TEST_URCU_JA_RANGE_H
   2 #define _TEST_URCU_JA_RANGE_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-range.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 extern volatile int test_go, test_stop;
  88
  89 extern unsigned long wdelay;
  90
  91 extern unsigned long duration;
  92
  93 /* read-side C.S. duration, in loops */
  94 extern unsigned long rduration;
  95
  96 extern unsigned long init_populate;
  97 extern int add_only;
  98
  99 extern unsigned long init_pool_offset, lookup_pool_offset, write_pool_offset;
 100 extern unsigned long init_pool_size,
 101         lookup_pool_size,
 102         write_pool_size;
 103 extern int validate_lookup;
 104
 105 extern int count_pipe[2];
 106
 107 static inline void loop_sleep(unsigned long l)
 108 {
 109         while(l-- != 0)
 110                 caa_cpu_relax();
 111 }
 112
 113 extern int verbose_mode;
 114
 115 #define printf_verbose(fmt, args...)            \
 116         do {                                    \
 117                 if (verbose_mode)               \
 118                         printf(fmt, ## args);   \
 119         } while (0)
 120
 121 extern unsigned int cpu_affinities[NR_CPUS];
 122 extern unsigned int next_aff;
 123 extern int use_affinity;
 124
 125 extern pthread_mutex_t affinity_mutex;
 126
 127 #ifndef HAVE_CPU_SET_T
 128 typedef unsigned long cpu_set_t;
 129 # define CPU_ZERO(cpuset) do { *(cpuset) = 0; } while(0)
 130 # define CPU_SET(cpu, cpuset) do { *(cpuset) |= (1UL << (cpu)); } while(0)
 131 #endif
 132
 133 void set_affinity(void);
 134
 135 /*
 136  * returns 0 if test should end.
 137  */
 138 static inline int test_duration_write(void)
 139 {
 140         return !test_stop;
 141 }
 142
 143 static inline int test_duration_read(void)
 144 {
 145         return !test_stop;
 146 }
 147
 148 extern DECLARE_URCU_TLS(unsigned long long, nr_writes);
 149 extern DECLARE_URCU_TLS(unsigned long long, nr_reads);
 150
 151 extern unsigned int nr_readers;
 152 extern unsigned int nr_writers;
 153
 154 void rcu_copy_mutex_lock(void);
 155 void rcu_copy_mutex_unlock(void);
 156
 157 #endif /* _TEST_URCU_JA_RANGE_H */