102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectchar netcpu_pstatnew_id[]="\ 202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project@(#)netcpu_pstatnew.c (c) Copyright 2005, Hewlett-Packard Company, Version 2.4.1"; 302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project/* since we "know" that this interface is available only on 11.23 and 502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project later, and that 11.23 and later are strictly 64-bit kernels, we can 602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project arbitrarily set _PSTAT64 here and not have to worry about it up in 702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project the configure script and makefiles. raj 2005/09/06 */ 802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#if HAVE_CONFIG_H 1002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project# include <config.h> 1102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#endif 1202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 1302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#include <stdio.h> 1402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 1502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#if HAVE_INTTYPES_H 1602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project# include <inttypes.h> 1702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#else 1802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project# if HAVE_STDINT_H 1902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project# include <stdint.h> 2002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project# endif 2102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#endif 2202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 2302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#include <unistd.h> 2402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 2502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#if HAVE_LIMITS_H 2602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project# include <limits.h> 2702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#endif 2802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 2902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#include <sys/dk.h> 3002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#include <sys/pstat.h> 3102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 3202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project/* HP-UX 11.23 seems to have added three other cycle counters to the 3302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project original psp_idlecycles - one for user, one for kernel and one for 3402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project interrupt. so, we can now use those to calculate CPU utilization 3502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project without requiring any calibration phase. raj 2005-02-16 */ 3602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 3702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#ifndef PSTAT_IPCINFO 3802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project# error Sorry, pstat() CPU utilization on 10.0 and later only 3902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#endif 4002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 4102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projecttypedef struct cpu_time_counters { 4202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t idle; 4302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t user; 4402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t kernel; 4502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t interrupt; 4602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} cpu_time_counters_t; 4702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 4802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectuint64_t lib_iticksperclktick; 4902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 5002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#include "netsh.h" 5102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#include "netlib.h" 5202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 5302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project/* the lib_start_count and lib_end_count arrays hold the starting 5402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project and ending values of whatever is counting when the system is 5502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project idle. The rate at which this increments during a test is compared 5602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project with a previous calibrarion to arrive at a CPU utilization 5702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project percentage. raj 2005-01-26 */ 5802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 5902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectstatic cpu_time_counters_t starting_cpu_counters[MAXCPUS]; 6002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectstatic cpu_time_counters_t ending_cpu_counters[MAXCPUS]; 6102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectstatic cpu_time_counters_t delta_cpu_counters[MAXCPUS]; 6202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 6302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectvoid 6402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectcpu_util_init(void) 6502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 6602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project return; 6702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 6802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 6902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectvoid 7002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectcpu_util_terminate(void) 7102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 7202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project return; 7302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 7402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 7502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectint 7602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectget_cpu_method(void) 7702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 7802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project return HP_IDLE_COUNTER; 7902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 8002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 8102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectvoid 8202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectget_cpu_counters(cpu_time_counters_t *res) 8302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 8402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* get the idle sycle counter for each processor. now while on a 8502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 64-bit kernel the ".psc_hi" and ".psc_lo" fields are 64 bits, 8602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project only the bottom 32-bits are actually valid. don't ask me 8702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project why, that is just the way it is. soo, we shift the psc_hi 8802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project value by 32 bits and then just sum-in the psc_lo value. raj 8902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 2005/09/06 */ 9002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project struct pst_processor *psp; 9102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 9202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project psp = (struct pst_processor *)malloc(lib_num_loc_cpus * sizeof(*psp)); 9302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (psp == NULL) { 9402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project printf("malloc(%d) failed!\n", lib_num_loc_cpus * sizeof(*psp)); 9502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project exit(1); 9602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 9702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (pstat_getprocessor(psp, sizeof(*psp), lib_num_loc_cpus, 0) != -1) { 9802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project int i; 9902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* we use lib_iticksperclktick in our sanity checking. we 10002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project ass-u-me it is the same value for each CPU - famous last 10102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project words no doubt. raj 2005/09/06 */ 10202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_iticksperclktick = psp[0].psp_iticksperclktick; 10302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project for (i = 0; i < lib_num_loc_cpus; i++) { 10402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project res[i].idle = (((uint64_t)psp[i].psp_idlecycles.psc_hi << 32) + 10502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project psp[i].psp_idlecycles.psc_lo); 10602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if(debug) { 10702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 10802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "\tidle[%d] = 0x%"PRIx64" ", 10902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project i, 11002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project res[i].idle); 11102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fflush(where); 11202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 11302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project res[i].user = (((uint64_t)psp[i].psp_usercycles.psc_hi << 32) + 11402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project psp[i].psp_usercycles.psc_lo); 11502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if(debug) { 11602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 11702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "user[%d] = 0x%"PRIx64" ", 11802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project i, 11902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project res[i].user); 12002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fflush(where); 12102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 12202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project res[i].kernel = (((uint64_t)psp[i].psp_systemcycles.psc_hi << 32) + 12302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project psp[i].psp_systemcycles.psc_lo); 12402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if(debug) { 12502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 12602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "kern[%d] = 0x%"PRIx64" ", 12702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project i, 12802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project res[i].kernel); 12902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fflush(where); 13002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 13102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project res[i].interrupt = (((uint64_t)psp[i].psp_interruptcycles.psc_hi << 32) + 13202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project psp[i].psp_interruptcycles.psc_lo); 13302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if(debug) { 13402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 13502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "intr[%d] = 0x%"PRIx64"\n", 13602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project i, 13702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project res[i].interrupt); 13802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fflush(where); 13902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 14002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 14102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project free(psp); 14202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 14302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 14402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 14502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project/* calibrate_pstatnew 14602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project there really isn't anything much to do here since we have all the 14702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project counters and use their ratios for CPU util measurement. raj 14802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 2005-02-16 */ 14902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 15002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectfloat 15102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectcalibrate_idle_rate(int iterations, int interval) 15202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 15302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project return 0.0; 15402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 15502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 15602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectstatic void 15702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectprint_cpu_time_counters(char *name, int instance, cpu_time_counters_t *counters) 15802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 15902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"%s[%d]:\n",name,instance); 16002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 16102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "\t idle %llu\n",counters[instance].idle); 16202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 16302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "\t user %llu\n",counters[instance].user); 16402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 16502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "\t kernel %llu\n",counters[instance].kernel); 16602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 16702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "\t interrupt %llu\n",counters[instance].interrupt); 16802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 16902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 17002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectfloat 17102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectcalc_cpu_util_internal(float elapsed_time) 17202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 17302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project int i; 17402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 17502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t total_cpu_cycles; 17602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t sanity_cpu_cycles; 17702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 17802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#ifndef USE_INTEGER_MATH 17902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project double fraction_idle; 18002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project double fraction_user; 18102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project double fraction_kernel; 18202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project double fraction_interrupt; 18302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project double estimated_fraction_interrupt; 18402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#else 18502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t fraction_idle; 18602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t fraction_user; 18702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t fraction_kernel; 18802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t fraction_interrupt; 18902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project uint64_t estimated_fraction_interrupt; 19002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 19102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#define CALC_PERCENT 100 19202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#define CALC_TENTH_PERCENT 1000 19302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#define CALC_HUNDREDTH_PERCENT 10000 19402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#define CALC_THOUSANDTH_PERCENT 100000 19502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#define CALC_ACCURACY CALC_THOUSANDTH_PERCENT 19602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 19702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#endif /* USE_INTEGER_MATH */ 19802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project float actual_rate; 19902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project float correction_factor; 20002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 20102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_local_cpu_util = (float)0.0; 20202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 20302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* It is possible that the library measured a time other than */ 20402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* the one that the user want for the cpu utilization */ 20502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* calculations - for example, tests that were ended by */ 20602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* watchdog timers such as the udp stream test. We let these */ 20702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* tests tell up what the elapsed time should be. */ 20802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 20902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (elapsed_time != 0.0) { 21002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project correction_factor = (float) 1.0 + 21102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project ((lib_elapsed - elapsed_time) / elapsed_time); 21202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 21302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project else { 21402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project correction_factor = (float) 1.0; 21502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 21602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 21702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* calculate our sanity check on cycles */ 21802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (debug) { 21902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 22002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "lib_elapsed %g _SC_CLK_TCK %d lib_iticksperclktick %"PRIu64"\n", 22102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_elapsed, 22202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project sysconf(_SC_CLK_TCK), 22302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_iticksperclktick); 22402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 22502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 22602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* Ok, elsewhere I may have said that HP-UX 11.23 does the "right" 22702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project thing in measuring user, kernel, interrupt and idle all together 22802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project instead of overlapping interrupt with the others like an OS that 22902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project shall not be named. However.... it seems there is a bug in the 23002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project accounting for interrupt cycles, whereby the cycles do not get 23102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project properly accounted. The sum of user, kernel, interrupt and idle 23202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project does not equal the clock rate multiplied by the elapsed time. 23302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project Some cycles go missing. 23402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 23502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project Since we see agreement between netperf and glance/vsar with the 23602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project old "pstat" mechanism, we can presume that the accounting for 23702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project idle cycles is sufficiently accurate. So, while we will still do 23802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project math with user, kernel and interrupt cycles, we will only 23902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project caculate CPU utilization based on the ratio of idle to _real_ 24002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project total cycles. I am told that a "future release" of HP-UX will 24102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fix the interupt cycle accounting. raj 2005/09/14 */ 24202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 24302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* calculate what the sum of CPU cycles _SHOULD_ be */ 24402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project sanity_cpu_cycles = (uint64_t) ((double)lib_elapsed * 24502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (double) sysconf(_SC_CLK_TCK) * (double)lib_iticksperclktick); 24602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 24702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* this looks just like the looper case. at least I think it */ 24802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* should :) raj 4/95 */ 24902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project for (i = 0; i < lib_num_loc_cpus; i++) { 25002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 25102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* we ass-u-me that these counters will never wrap during a 25202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project netperf run. this may not be a particularly safe thing to 25302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project do. raj 2005-01-28 */ 25402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project delta_cpu_counters[i].idle = ending_cpu_counters[i].idle - 25502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project starting_cpu_counters[i].idle; 25602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project delta_cpu_counters[i].user = ending_cpu_counters[i].user - 25702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project starting_cpu_counters[i].user; 25802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project delta_cpu_counters[i].kernel = ending_cpu_counters[i].kernel - 25902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project starting_cpu_counters[i].kernel; 26002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project delta_cpu_counters[i].interrupt = ending_cpu_counters[i].interrupt - 26102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project starting_cpu_counters[i].interrupt; 26202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 26302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (debug) { 26402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project print_cpu_time_counters("delta_cpu_counters",i,delta_cpu_counters); 26502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 26602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 26702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* now get the sum, which we ass-u-me does not overflow a 64-bit 26802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project counter. raj 2005-02-16 */ 26902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project total_cpu_cycles = 27002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project delta_cpu_counters[i].idle + 27102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project delta_cpu_counters[i].user + 27202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project delta_cpu_counters[i].kernel + 27302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project delta_cpu_counters[i].interrupt; 27402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 27502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (debug) { 27602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 27702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "total_cpu_cycles %"PRIu64" sanity_cpu_cycles %"PRIu64" missing %"PRIu64"\n", 27802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project total_cpu_cycles, 27902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project sanity_cpu_cycles, 28002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project sanity_cpu_cycles - total_cpu_cycles); 28102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 28202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 28302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* since HP-UX 11.23 does the _RIGHT_ thing and idle/user/kernel 28402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project does _NOT_ overlap with interrupt, we do not have to apply any 28502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project correction kludge. raj 2005-02-16 */ 28602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 28702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#ifndef USE_INTEGER_MATH 28802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* when the accounting for interrupt time gets its act together, 28902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project we can use total_cpu_cycles rather than sanity_cpu_cycles, but 29002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project until then, use sanity_cpu_ccles. raj 2005/09/14 */ 29102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 29202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fraction_idle = (double)delta_cpu_counters[i].idle / 29302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (double)sanity_cpu_cycles; 29402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 29502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fraction_user = (double)delta_cpu_counters[i].user / 29602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (double)sanity_cpu_cycles; 29702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 29802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fraction_kernel = (double) delta_cpu_counters[i].kernel / 29902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (double)sanity_cpu_cycles; 30002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 30102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fraction_interrupt = (double)delta_cpu_counters[i].interrupt / 30202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (double)sanity_cpu_cycles; 30302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 30402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* ass-u-me that it is only interrupt that is bogus, and assign 30502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project all the "missing" cycles to it. raj 2005/09/14 */ 30602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project estimated_fraction_interrupt = ((double)delta_cpu_counters[i].interrupt + 30702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (sanity_cpu_cycles - total_cpu_cycles)) / 30802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (double)sanity_cpu_cycles; 30902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 31002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (debug) { 31102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\tfraction_idle %g\n",fraction_idle); 31202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\tfraction_user %g\n",fraction_user); 31302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\tfraction_kernel %g\n",fraction_kernel); 31402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\tfraction_interrupt %g WARNING, possibly under-counted!\n",fraction_interrupt); 31502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\testimated_fraction_interrupt %g\n", 31602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project estimated_fraction_interrupt); 31702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 31802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 31902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* and finally, what is our CPU utilization? */ 32002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_local_per_cpu_util[i] = 100.0 - (fraction_idle * 100.0); 32102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#else 32202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* and now some fun with integer math. i initially tried to 32302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project promote things to long doubled but that didn't seem to result 32402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project in happiness and joy. raj 2005-01-28 */ 32502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 32602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* multiply by 100 and divide by total and you get whole 32702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project percentages. multiply by 1000 and divide by total and you get 32802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project tenths of percentages. multiply by 10000 and divide by total 32902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project and you get hundredths of percentages. etc etc etc raj 33002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 2005-01-28 */ 33102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 33202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* when the accounting for interrupt time gets its act together, 33302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project we can use total_cpu_cycles rather than sanity_cpu_cycles, but 33402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project until then, use sanity_cpu_ccles. raj 2005/09/14 */ 33502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 33602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fraction_idle = 33702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (delta_cpu_counters[i].idle * CALC_ACCURACY) / sanity_cpu_cycles; 33802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 33902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fraction_user = 34002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (delta_cpu_counters[i].user * CALC_ACCURACY) / sanity_cpu_cycles; 34102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 34202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fraction_kernel = 34302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (delta_cpu_counters[i].kernel * CALC_ACCURACY) / sanity_cpu_cycles; 34402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 34502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fraction_interrupt = 34602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (delta_cpu_counters[i].interrupt * CALC_ACCURACY) / sanity_cpu_cycles; 34702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 34802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 34902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project estimated_fraction_interrupt = 35002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project ((delta_cpu_counters[i].interrupt + 35102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (sanity_cpu_cycles - total_cpu_cycles)) * 35202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project CALC_ACCURACY) / sanity_cpu_cycles; 35302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 35402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (debug) { 35502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\tfraction_idle %"PRIu64"\n",fraction_idle); 35602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\tfraction_user %"PRIu64"\n",fraction_user); 35702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\tfraction_kernel %"PRIu64"\n",fraction_kernel); 35802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\tfraction_interrupt %"PRIu64"WARNING, possibly under-counted!\n",fraction_interrupt); 35902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where,"\testimated_fraction_interrupt %"PRIu64"\n", 36002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project estimated_fraction_interrupt); 36102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 36202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 36302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* and finally, what is our CPU utilization? */ 36402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_local_per_cpu_util[i] = 100.0 - (((float)fraction_idle / 36502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project (float)CALC_ACCURACY) * 100.0); 36602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project#endif 36702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (debug) { 36802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 36902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "lib_local_per_cpu_util[%d] %g\n", 37002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project i, 37102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_local_per_cpu_util[i]); 37202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 37302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_local_cpu_util += lib_local_per_cpu_util[i]; 37402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 37502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project /* we want the average across all n processors */ 37602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_local_cpu_util /= (float)lib_num_loc_cpus; 37702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 37802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project lib_local_cpu_util *= correction_factor; 37902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 38002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project if (debug) { 38102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project fprintf(where, 38202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project "calc_cpu_util: returning %g\n",lib_local_cpu_util); 38302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project } 38402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 38502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project return lib_local_cpu_util; 38602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 38702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 38802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectvoid 38902fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectcpu_start_internal(void) 39002fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 39102fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project get_cpu_counters(starting_cpu_counters); 39202fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 39302fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project 39402fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectvoid 39502fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Projectcpu_stop_internal(void) 39602fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project{ 39702fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project get_cpu_counters(ending_cpu_counters); 39802fb0aca1189a2c1fd20806c588e9ee80d9755f8The Android Open Source Project} 399