diff options
Diffstat (limited to 'src/misc/util/cpu_stats.c')
-rw-r--r-- | src/misc/util/cpu_stats.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/misc/util/cpu_stats.c b/src/misc/util/cpu_stats.c new file mode 100644 index 00000000..aa2d18ef --- /dev/null +++ b/src/misc/util/cpu_stats.c @@ -0,0 +1,122 @@ +/* + * Revision Control Information + * + * /projects/hsis/CVS/utilities/util/cpu_stats.c,v + * rajeev + * 1.4 + * 1995/08/08 22:41:17 + * + */ +/* LINTLIBRARY */ + +#include <stdio.h> +#include "util.h" + + +#include <sys/types.h> +//#include <sys/time.h> +#ifdef HAVE_SYS_RESOURCE_H +# include <sys/resource.h> +#endif + +#if defined(_IBMR2) +#define etext _etext +#define edata _edata +#define end _end +#endif + +#ifndef __CYGWIN32__ +extern int end, etext, edata; +#endif + +void +util_print_cpu_stats(fp) +FILE *fp; +{ + (void) fprintf(fp, "Usage statistics not available\n"); +} + +#if 0 + +void +util_print_cpu_stats(fp) +FILE *fp; +{ +#if HAVE_SYS_RESOURCE_H && !defined(__CYGWIN32__) + struct rusage rusage; +#ifdef RLIMIT_DATA + struct rlimit rlp; +#endif + int text, data, vm_limit, vm_soft_limit; + double user, system, scale; + char hostname[257]; + int vm_text, vm_init_data, vm_uninit_data, vm_sbrk_data; + + /* Get the hostname */ + (void) gethostname(hostname, 256); + hostname[256] = '\0'; /* just in case */ + + /* Get the virtual memory sizes */ + vm_text = ((int) (&etext)) / 1024.0 + 0.5; + vm_init_data = ((int) (&edata) - (int) (&etext)) / 1024.0 + 0.5; + vm_uninit_data = ((int) (&end) - (int) (&edata)) / 1024.0 + 0.5; + vm_sbrk_data = (sizeof(char) * ((char *) sbrk(0) - (char *) (&end))) / 1024.0 + 0.5; + + /* Get virtual memory limits */ +#ifdef RLIMIT_DATA /* In HP-UX, with cc, this constant does not exist */ + (void) getrlimit(RLIMIT_DATA, &rlp); + vm_limit = rlp.rlim_max / 1024.0 + 0.5; + vm_soft_limit = rlp.rlim_cur / 1024.0 + 0.5; +#else + vm_limit = -1; + vm_soft_limit = -1; +#endif + + /* Get usage stats */ + (void) getrusage(RUSAGE_SELF, &rusage); + user = rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec/1.0e6; + system = rusage.ru_stime.tv_sec + rusage.ru_stime.tv_usec/1.0e6; + scale = (user + system)*100.0; + if (scale == 0.0) scale = 0.001; + + (void) fprintf(fp, "Runtime Statistics\n"); + (void) fprintf(fp, "------------------\n"); + (void) fprintf(fp, "Machine name: %s\n", hostname); + (void) fprintf(fp, "User time %6.1f seconds\n", user); + (void) fprintf(fp, "System time %6.1f seconds\n\n", system); + + text = rusage.ru_ixrss / scale + 0.5; + data = (rusage.ru_idrss + rusage.ru_isrss) / scale + 0.5; + (void) fprintf(fp, "Average resident text size = %5dK\n", text); + (void) fprintf(fp, "Average resident data+stack size = %5dK\n", data); + (void) fprintf(fp, "Maximum resident size = %5ldK\n\n", + rusage.ru_maxrss/2); + (void) fprintf(fp, "Virtual text size = %5dK\n", + vm_text); + (void) fprintf(fp, "Virtual data size = %5dK\n", + vm_init_data + vm_uninit_data + vm_sbrk_data); + (void) fprintf(fp, " data size initialized = %5dK\n", + vm_init_data); + (void) fprintf(fp, " data size uninitialized = %5dK\n", + vm_uninit_data); + (void) fprintf(fp, " data size sbrk = %5dK\n", + vm_sbrk_data); + /* In some platforms, this constant does not exist */ +#ifdef RLIMIT_DATA + (void) fprintf(fp, "Virtual memory limit = %5dK (%dK)\n\n", + vm_soft_limit, vm_limit); +#endif + (void) fprintf(fp, "Major page faults = %ld\n", rusage.ru_majflt); + (void) fprintf(fp, "Minor page faults = %ld\n", rusage.ru_minflt); + (void) fprintf(fp, "Swaps = %ld\n", rusage.ru_nswap); + (void) fprintf(fp, "Input blocks = %ld\n", rusage.ru_inblock); + (void) fprintf(fp, "Output blocks = %ld\n", rusage.ru_oublock); + (void) fprintf(fp, "Context switch (voluntary) = %ld\n", rusage.ru_nvcsw); + (void) fprintf(fp, "Context switch (involuntary) = %ld\n", rusage.ru_nivcsw); +#else /* Do not have sys/resource.h */ + (void) fprintf(fp, "Usage statistics not available\n"); +#endif +} + +#endif + |