X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_mutex.c;h=747bcc442dec2a63a507b0bf0be075fe5ee024b7;hp=7fb036d1632361f780b6c6281e1704af5cb28605;hb=06f22bdbb0c4c4d5db42a2e2dc35818aa61415be;hpb=d8540fc53386cd7ff270085aca621e32772832ba diff --git a/tests/test_mutex.c b/tests/test_mutex.c index 7fb036d..747bcc4 100644 --- a/tests/test_mutex.c +++ b/tests/test_mutex.c @@ -3,7 +3,7 @@ * * Userspace RCU library - test program * - * 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 @@ -79,10 +79,13 @@ 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; @@ -153,9 +156,9 @@ 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 long long __attribute__((aligned(CACHE_LINE_SIZE))) *tot_nr_reads; +unsigned long long __attribute__((aligned(CAA_CACHE_LINE_SIZE))) *tot_nr_reads; static unsigned int nr_readers; static unsigned int nr_writers; @@ -226,12 +229,14 @@ void *thr_writer(void *data) while (!test_go) { } - smp_mb(); + cmm_smp_mb(); for (;;) { pthread_mutex_lock(&lock); test_array.a = 0; test_array.a = 8; + if (unlikely(wduration)) + loop_sleep(wduration); pthread_mutex_unlock(&lock); nr_writes++; if (unlikely(!test_duration_write())) @@ -254,6 +259,7 @@ 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"); @@ -272,7 +278,7 @@ int main(int argc, char **argv) show_usage(argc, argv); return -1; } - smp_mb(); + cmm_smp_mb(); err = sscanf(argv[1], "%u", &nr_readers); if (err != 1) { @@ -328,6 +334,13 @@ 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; @@ -363,7 +376,7 @@ int main(int argc, char **argv) exit(1); } - smp_mb(); + cmm_smp_mb(); test_go = 1; @@ -386,10 +399,10 @@ 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);