X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_defer.c;h=c333964ce9a998c094c5c831476189acce791409;hp=10cd250d2c9a3487f02c58f0e5135201ee3dbeda;hb=06f22bdbb0c4c4d5db42a2e2dc35818aa61415be;hpb=d8540fc53386cd7ff270085aca621e32772832ba diff --git a/tests/test_urcu_defer.c b/tests/test_urcu_defer.c index 10cd250..c333964 100644 --- a/tests/test_urcu_defer.c +++ b/tests/test_urcu_defer.c @@ -3,7 +3,7 @@ * * Userspace RCU library - test program (with automatic reclamation) * - * Copyright February 2009 - Mathieu Desnoyers + * Copyright February 2009 - Mathieu Desnoyers * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -78,10 +78,13 @@ static unsigned long duration; /* read-side C.S. duration, in loops */ static unsigned long rduration; +/* write-side C.S. duration, in loops */ +static unsigned long wduration; + static inline void loop_sleep(unsigned long l) { while(l-- != 0) - cpu_relax(); + caa_cpu_relax(); } static int verbose_mode; @@ -153,7 +156,7 @@ static unsigned long long __thread nr_writes; static unsigned long long __thread nr_reads; static -unsigned long long __attribute__((aligned(CACHE_LINE_SIZE))) *tot_nr_writes; +unsigned long long __attribute__((aligned(CAA_CACHE_LINE_SIZE))) *tot_nr_writes; static unsigned int nr_readers; static unsigned int nr_writers; @@ -196,7 +199,7 @@ void *thr_reader(void *_count) while (!test_go) { } - smp_mb(); + cmm_smp_mb(); for (;;) { rcu_read_lock(); @@ -244,12 +247,14 @@ void *thr_writer(void *data) while (!test_go) { } - smp_mb(); + cmm_smp_mb(); for (;;) { new = malloc(sizeof(*new)); new->a = 8; old = rcu_xchg_pointer(&test_rcu_pointer, new); + if (unlikely(wduration)) + loop_sleep(wduration); defer_rcu(free, old); defer_rcu(test_cb1, old); defer_rcu(test_cb1, (void *)-2L); @@ -281,6 +286,7 @@ void show_usage(int argc, char **argv) #endif printf(" [-d delay] (writer period (us))"); printf(" [-c duration] (reader C.S. duration (in loops))"); + printf(" [-e duration] (writer C.S. duration (in loops))"); printf(" [-v] (verbose output)"); printf(" [-a cpu#] [-a cpu#]... (affinity)"); printf("\n"); @@ -354,6 +360,13 @@ int main(int argc, char **argv) } wdelay = atol(argv[++i]); break; + case 'e': + if (argc < i + 2) { + show_usage(argc, argv); + return -1; + } + wduration = atol(argv[++i]); + break; case 'v': verbose_mode = 1; break; @@ -387,7 +400,7 @@ int main(int argc, char **argv) exit(1); } - smp_mb(); + cmm_smp_mb(); test_go = 1; @@ -410,10 +423,10 @@ int main(int argc, char **argv) printf_verbose("total number of reads : %llu, writes %llu\n", tot_reads, tot_writes); - printf("SUMMARY %-25s testdur %4lu nr_readers %3u rdur %6lu " + printf("SUMMARY %-25s testdur %4lu nr_readers %3u rdur %6lu wdur %6lu " "nr_writers %3u " "wdelay %6lu nr_reads %12llu nr_writes %12llu nr_ops %12llu\n", - argv[0], duration, nr_readers, rduration, + argv[0], duration, nr_readers, rduration, wduration, nr_writers, wdelay, tot_reads, tot_writes, tot_reads + tot_writes); free(tid_reader);