diff options
| -rw-r--r-- | package/Config.in | 1 | ||||
| -rw-r--r-- | package/cache-calibrator/Config.in | 13 | ||||
| -rw-r--r-- | package/cache-calibrator/cache-calibrator-Fix-conflicting-round-function.patch | 108 | ||||
| -rw-r--r-- | package/cache-calibrator/cache-calibrator.mk | 24 |
4 files changed, 146 insertions, 0 deletions
diff --git a/package/Config.in b/package/Config.in index ebd981758..e6682fc03 100644 --- a/package/Config.in +++ b/package/Config.in @@ -19,6 +19,7 @@ endmenu menu "Debugging, profiling and benchmark" source "package/bonnie/Config.in" +source "package/cache-calibrator/Config.in" source "package/dhrystone/Config.in" source "package/dstat/Config.in" source "package/dmalloc/Config.in" diff --git a/package/cache-calibrator/Config.in b/package/cache-calibrator/Config.in new file mode 100644 index 000000000..db780e9fc --- /dev/null +++ b/package/cache-calibrator/Config.in @@ -0,0 +1,13 @@ +config BR2_PACKAGE_CACHE_CALIBRATOR + bool "cache-calibrator" + help + Cache calibrator is a small C program that is supposed to + analyze a computers (cache-) memory system and extract + useful information + + http://homepages.cwi.nl/~manegold/Calibrator/ + + It is also recommended as a load generator for realtime + testing in: + + https://rt.wiki.kernel.org/index.php/RT_PREEMPT_HOWTO diff --git a/package/cache-calibrator/cache-calibrator-Fix-conflicting-round-function.patch b/package/cache-calibrator/cache-calibrator-Fix-conflicting-round-function.patch new file mode 100644 index 000000000..71181a638 --- /dev/null +++ b/package/cache-calibrator/cache-calibrator-Fix-conflicting-round-function.patch @@ -0,0 +1,108 @@ +From 39ac7268c4350040976005da98daf10edf676d3e Mon Sep 17 00:00:00 2001 +From: Stephan Hoffmann <sho@relinux.de> +Date: Mon, 28 Jan 2013 17:32:10 +0100 +Subject: [PATCH] Fix conflicting round() function + +calibrator.c defines a local round() function that conflicts +with the one from the standard library. + +This is fixed by renaming the local function. + +Signed-off-by: Stephan Hoffmann <sho@relinux.de> +--- + calibrator.c | 30 +++++++++++++++--------------- + 1 files changed, 15 insertions(+), 15 deletions(-) + +diff --git a/calibrator.c b/calibrator.c +index e045dfd..8471c04 100644 +--- a/calibrator.c ++++ b/calibrator.c +@@ -128,7 +128,7 @@ void ErrXit(char *format, ...) { + exit(1); + } + +-lng round(dbl x) ++lng lng_round(dbl x) + { + return (lng)(x + 0.5); + } +@@ -890,16 +890,16 @@ void plotCache(cacheInfo *cache, lng **result, lng MHz, char *fn, FILE *fp, lng + fprintf(fp, ")\n"); + fprintf(fp, "set y2tics"); + for (l = 0, s = " ("; l <= cache->levels; l++, s = ", ") { +- if (!delay) fprintf(fp, "%s'(%ld)' %f", s, round(CYperIt(cache->latency1[l] - delay)), NSperIt(cache->latency1[l] - delay)); +- else fprintf(fp, "%s'(%ld)' %f", s, round(CYperIt(cache->latency2[l] - delay)), NSperIt(cache->latency2[l] - delay)); ++ if (!delay) fprintf(fp, "%s'(%ld)' %f", s, lng_round(CYperIt(cache->latency1[l] - delay)), NSperIt(cache->latency1[l] - delay)); ++ else fprintf(fp, "%s'(%ld)' %f", s, lng_round(CYperIt(cache->latency2[l] - delay)), NSperIt(cache->latency2[l] - delay)); + } + for (y = 1; y <= yh; y *= 10) { + fprintf(fp, "%s'%1.3g' %ld", s, (dbl)(y * MHz) / 1000.0, y); + } + fprintf(fp, ")\n"); + for (l = 0; l <= cache->levels; l++) { +- if (!delay) z = (dbl)round(CYperIt(cache->latency1[l] - delay)) * 1000.0 / (dbl)MHz; +- else z = (dbl)round(CYperIt(cache->latency2[l] - delay)) * 1000.0 / (dbl)MHz; ++ if (!delay) z = (dbl)lng_round(CYperIt(cache->latency1[l] - delay)) * 1000.0 / (dbl)MHz; ++ else z = (dbl)lng_round(CYperIt(cache->latency2[l] - delay)) * 1000.0 / (dbl)MHz; + fprintf(fp, "set label %ld '(%1.3g) ' at %f,%f right\n", l + 1, z, xl, z); + fprintf(fp, "set arrow %ld from %f,%f to %f,%f nohead lt 0\n", l + 1, xl, z, xh, z); + } +@@ -986,16 +986,16 @@ void plotTLB(TLBinfo *TLB, lng **result, lng MHz, char *fn, FILE *fp, lng delay) + fprintf(fp, "%s'<L1>' %ld)\n", s, TLB->mincachelines); + fprintf(fp, "set y2tics"); + for (l = 0, s = " ("; l <= TLB->levels; l++, s = ", ") { +- if (!delay) fprintf(fp, "%s'(%ld)' %f", s, round(CYperIt(TLB->latency1[l] - delay)), NSperIt(TLB->latency1[l] - delay)); +- else fprintf(fp, "%s'(%ld)' %f", s, round(CYperIt(TLB->latency2[l] - delay)), NSperIt(TLB->latency2[l] - delay)); ++ if (!delay) fprintf(fp, "%s'(%ld)' %f", s, lng_round(CYperIt(TLB->latency1[l] - delay)), NSperIt(TLB->latency1[l] - delay)); ++ else fprintf(fp, "%s'(%ld)' %f", s, lng_round(CYperIt(TLB->latency2[l] - delay)), NSperIt(TLB->latency2[l] - delay)); + } + for (y = 1; y <= yh; y *= 10) { + fprintf(fp, "%s'%1.3g' %ld", s, (dbl)(y * MHz) / 1000.0, y); + } + fprintf(fp, ")\n"); + for (l = 0; l <= TLB->levels; l++) { +- if (!delay) z = (dbl)round(CYperIt(TLB->latency1[l] - delay)) * 1000.0 / (dbl)MHz; +- else z = (dbl)round(CYperIt(TLB->latency2[l] - delay)) * 1000.0 / (dbl)MHz; ++ if (!delay) z = (dbl)lng_round(CYperIt(TLB->latency1[l] - delay)) * 1000.0 / (dbl)MHz; ++ else z = (dbl)lng_round(CYperIt(TLB->latency2[l] - delay)) * 1000.0 / (dbl)MHz; + fprintf(fp, "set label %ld '(%1.3g) ' at %f,%f right\n", l + 1, z, xl, z); + fprintf(fp, "set arrow %ld from %f,%f to %f,%f nohead lt 0\n", l + 1, xl, z, xh, z); + } +@@ -1023,9 +1023,9 @@ void printCPU(cacheInfo *cache, lng MHz, lng delay) + FILE *fp = stdout; + + fprintf(fp, "CPU loop + L1 access: "); +- fprintf(fp, " %6.2f ns = %3ld cy\n", NSperIt(cache->latency1[0]), round(CYperIt(cache->latency1[0]))); ++ fprintf(fp, " %6.2f ns = %3ld cy\n", NSperIt(cache->latency1[0]), lng_round(CYperIt(cache->latency1[0]))); + fprintf(fp, " ( delay: "); +- fprintf(fp, " %6.2f ns = %3ld cy )\n", NSperIt(delay), round(CYperIt(delay))); ++ fprintf(fp, " %6.2f ns = %3ld cy )\n", NSperIt(delay), lng_round(CYperIt(delay))); + fprintf(fp, "\n"); + fflush(fp); + } +@@ -1047,8 +1047,8 @@ void printCache(cacheInfo *cache, lng MHz) + fprintf(fp, " %3ld KB ", cache->size[l] / 1024); + } + fprintf(fp, " %3ld bytes ", cache->linesize[l + 1]); +- fprintf(fp, " %6.2f ns = %3ld cy " , NSperIt(cache->latency2[l + 1] - cache->latency2[l]), round(CYperIt(cache->latency2[l + 1] - cache->latency2[l]))); +- fprintf(fp, " %6.2f ns = %3ld cy\n", NSperIt(cache->latency1[l + 1] - cache->latency1[l]), round(CYperIt(cache->latency1[l + 1] - cache->latency1[l]))); ++ fprintf(fp, " %6.2f ns = %3ld cy " , NSperIt(cache->latency2[l + 1] - cache->latency2[l]), lng_round(CYperIt(cache->latency2[l + 1] - cache->latency2[l]))); ++ fprintf(fp, " %6.2f ns = %3ld cy\n", NSperIt(cache->latency1[l + 1] - cache->latency1[l]), lng_round(CYperIt(cache->latency1[l + 1] - cache->latency1[l]))); + } + fprintf(fp, "\n"); + fflush(fp); +@@ -1075,9 +1075,9 @@ void printTLB(TLBinfo *TLB, lng MHz) + } else { + fprintf(fp, " %3ld KB ", TLB->pagesize[l + 1] / 1024); + } +- fprintf(fp, " %6.2f ns = %3ld cy ", NSperIt(TLB->latency2[l + 1] - TLB->latency2[l]), round(CYperIt(TLB->latency2[l + 1] - TLB->latency2[l]))); ++ fprintf(fp, " %6.2f ns = %3ld cy ", NSperIt(TLB->latency2[l + 1] - TLB->latency2[l]), lng_round(CYperIt(TLB->latency2[l + 1] - TLB->latency2[l]))); + /* +- fprintf(fp, " %6.2f ns = %3ld cy" , NSperIt(TLB->latency1[l + 1] - TLB->latency1[l]), round(CYperIt(TLB->latency1[l + 1] - TLB->latency1[l]))); ++ fprintf(fp, " %6.2f ns = %3ld cy" , NSperIt(TLB->latency1[l + 1] - TLB->latency1[l]), lng_round(CYperIt(TLB->latency1[l + 1] - TLB->latency1[l]))); + */ + fprintf(fp, "\n"); + } +-- +1.7.0.4 + diff --git a/package/cache-calibrator/cache-calibrator.mk b/package/cache-calibrator/cache-calibrator.mk new file mode 100644 index 000000000..35c9f9491 --- /dev/null +++ b/package/cache-calibrator/cache-calibrator.mk @@ -0,0 +1,24 @@ +############################################################# +# +# cache-calibrator +# +############################################################# + +CACHE_CALIBRATOR_SOURCE = calibrator.c +CACHE_CALIBRATOR_SITE = http://homepages.cwi.nl/~manegold/Calibrator/src +CACHE_CALIBRATOR_LICENSE = Cache calibrator license +CACHE_CALIBRATOR_LICENSE_FILES = calibrator.c + +define CACHE_CALIBRATOR_EXTRACT_CMDS + cp $(DL_DIR)/$(CACHE_CALIBRATOR_SOURCE) $(@D) +endef + +define CACHE_CALIBRATOR_BUILD_CMDS + $(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS) $(@D)/calibrator.c -o $(@D)/cache_calibrator -lm +endef + +define CACHE_CALIBRATOR_INSTALL_TARGET_CMDS + $(INSTALL) -D -m 0755 $(@D)/cache_calibrator $(TARGET_DIR)/usr/bin/cache_calibrator +endef + +$(eval $(generic-package)) |