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collect-mem.c
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collect-mem.c
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/* local includes */
#include "collect-mem.h"
#include "common.h"
#include "locations.h"
#include "debug.h"
void getMemStats(struct MemBusAttr *memAttr, int sampleCount){
FILE *fp;
int lineCount=0;
char buff[BUFF_SIZE];
char name[10];
float bw, freq, sat;
int duration;
int curMIFFreq, curINTFreq;
DEBUG(("-- getMemStats -- %d\n", sampleCount));
/* get memory frequencies */
curMIFFreq = getCurMIFFreq();
curINTFreq = getCurINTFreq();
memAttr->freqBusFreqMIF = curMIFFreq;
memAttr->freqBusFreqINT = curINTFreq;
/* get memory stats from runtime bw monitor */
fp = fopen(PATH_RD_BW_MON, "r");
if(fp){
//fgets(buff, BUFF_SIZE, fp); // ignore first line (headers)
// loop through each line and get bus stats
while(fgets(buff, BUFF_SIZE, fp)){
//DEBUG(("line %d:: %s", lineCount, buff));
// get data for each member in the busprobe
// original printf formatting in the kernel debug : "%-10s %4u.%02u MBps %3u.%02u MHz %2u.%02u%% during %lld us\n"
sscanf(buff, "%10s %f MBps %f MHz %f%% during %d us\n", name, &bw, &freq, &sat, &duration);
//DEBUG((">>line sscanf %d:: %10s, %4.2f, %3.2f, %2.2f, %d", lineCount,name, bw, freq, sat, duration));
// allocate correctly into data struct
if(strstr(buff, "mfc0")){
//DEBUG(("--here mfc0\n"));
memAttr->mfc0.bw=bw;
memAttr->mfc0.freq=freq;
memAttr->mfc0.sat=sat;
memAttr->mfc0.dur=duration;
}else if(strstr(buff, "mfc1")){
//DEBUG(("--here mfc1\n"));
memAttr->mfc1.bw=bw;
memAttr->mfc1.freq=freq;
memAttr->mfc1.sat=sat;
memAttr->mfc1.dur=duration;
}else if(strstr(buff, "gsc23")){
//DEBUG(("--here gsc23\n"));
memAttr->gsc23.bw=bw;
memAttr->gsc23.freq=freq;
memAttr->gsc23.sat=sat;
memAttr->gsc23.dur=duration;
// we have to move disp0 and disp 1 higher up in the conditional
// because "isp0" is a substr of disp0, and therefore disp0 wasn't
// getting caught
}else if(strstr(buff, "disp0")){
//DEBUG(("--here disp0\n"));
memAttr->disp0.bw=bw;
memAttr->disp0.freq=freq;
memAttr->disp0.sat=sat;
memAttr->disp0.dur=duration;
}else if(strstr(buff, "disp1")){
//DEBUG(("--here disp1\n"));
memAttr->disp1.bw=bw;
memAttr->disp1.freq=freq;
memAttr->disp1.sat=sat;
memAttr->disp1.dur=duration;
}else if(strstr(buff, "gen")){
//DEBUG(("--here gen\n"));
memAttr->gen.bw=bw;
memAttr->gen.freq=freq;
memAttr->gen.sat=sat;
memAttr->gen.dur=duration;
}else if(strstr(buff, "fsys")){
//DEBUG(("--here fsys\n"));
memAttr->fsys.bw=bw;
memAttr->fsys.freq=freq;
memAttr->fsys.sat=sat;
memAttr->fsys.dur=duration;
}else if(strstr(buff, "mem0_0")){
//DEBUG(("--here mem0_0\n"));
memAttr->mem0_0.bw=bw;
memAttr->mem0_0.freq=freq;
memAttr->mem0_0.sat=sat;
memAttr->mem0_0.dur=duration;
}else if(strstr(buff, "mem0_1")){
//DEBUG(("--here mem1_0\n"));
memAttr->mem0_1.bw=bw;
memAttr->mem0_1.freq=freq;
memAttr->mem0_1.sat=sat;
memAttr->mem0_1.dur=duration;
}else if(strstr(buff, "mem1_0")){
//DEBUG(("--here mem0_1\n"));
memAttr->mem1_0.bw=bw;
memAttr->mem1_0.freq=freq;
memAttr->mem1_0.sat=sat;
memAttr->mem1_0.dur=duration;
}else if(strstr(buff, "mem1_1")){
//DEBUG(("--here mem1_1\n"));
memAttr->mem1_1.bw=bw;
memAttr->mem1_1.freq=freq;
memAttr->mem1_1.sat=sat;
memAttr->mem1_1.dur=duration;
}else if(strstr(buff, "cci")){
//DEBUG(("--here cci\n"));
memAttr->cci.bw=bw;
memAttr->cci.freq=freq;
memAttr->cci.sat=sat;
memAttr->cci.dur=duration;
}else if(strstr(buff, "gsc0")){
//DEBUG(("--here gsc0\n"));
memAttr->gsc0.bw=bw;
memAttr->gsc0.freq=freq;
memAttr->gsc0.sat=sat;
memAttr->gsc0.dur=duration;
}else if(strstr(buff, "gsc1")){
//DEBUG(("--here gsc1\n"));
memAttr->gsc1.bw=bw;
memAttr->gsc1.freq=freq;
memAttr->gsc1.sat=sat;
memAttr->gsc1.dur=duration;
}else if(strstr(buff, "isp0")){
//DEBUG(("--here isp0\n"));
memAttr->isp0.bw=bw;
memAttr->isp0.freq=freq;
memAttr->isp0.sat=sat;
memAttr->isp0.dur=duration;
}else if(strstr(buff, "isp1")){
//DEBUG(("--here isp1\n"));
memAttr->isp1.bw=bw;
memAttr->isp1.freq=freq;
memAttr->isp1.sat=sat;
memAttr->isp1.dur=duration;
}else{
DEBUG(("getMemStats:: WARNING : unknown bwprobe member detected\n"));
// close file
fclose(fp);
exit(0);
}
lineCount++;
}
fclose(fp);
}else{
DEBUG(("getMemStats:: Error - failed to open - %s\n", PATH_RD_BW_MON));
exit(0);
}
}
/* get current MIF frequency*/
int getCurMIFFreq(void){
int freq;
FILE *fp = fopen(PATH_RD_MIF_CUR_FREQ, "r");
if(fp){
fscanf(fp, "%d", &freq);
fclose(fp);
}else{
DEBUG(("getCurMIFFreq:: Error - failed to open - %s\n", PATH_RD_MIF_CUR_FREQ));
exit(0);
}
return freq;
}
/* get current INT frequency*/
int getCurINTFreq(void){
int freq;
FILE *fp = fopen(PATH_RD_INT_CUR_FREQ, "r");
if(fp){
fscanf(fp, "%d", &freq);
fclose(fp);
}else{
DEBUG(("getCurINTFreq:: Error - failed to open - %s\n", PATH_RD_INT_CUR_FREQ));
exit(0);
}
return freq;
}