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added nate's memtest code to devtime

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util/ccdrv/devtime.c:
    incorperated nate's changes for memory testing.

--HG--
extra : convert_revision : 6c479dd6b9a79659bb4cfd3e03b794909b14db3b
This commit is contained in:
Ali Saidi 2004-08-18 23:12:16 -04:00
parent 9d4ee7acaa
commit 7a1f4969ca
1 changed files with 32 additions and 1 deletions
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33
util/ccdrv/devtime.c
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@ -48,6 +48,9 @@
static char *dataAddr = NULL;
static int count = 0;
#ifdef __alpha__
static int memTest = 0;
#endif
static inline uint32_t cycleCounter(uint32_t dep);
@ -63,6 +66,31 @@ static int __init devtime_start(void)
printk("Devtime Driver Version %s Loaded...\n", DRIVER_VER);
#ifdef __alpha__
if (memTest) {
addr = 0xfffffc0000000000;
// addr += 16*1024*1024;
printk("Preparing memory test.\n");
t1 = cycleCounter(trash);
for (x = 0; x < count; x++) {
trash = readl(addr);
t2 = cycleCounter(trash);
times[num++] = t2 - t1;
t1 = t2;
addr += 4096;
}
printk("Measurements:\n");
for (x = 0; x < count; x++) {
printk("%d ", times[x]);
if (((x + 1) % 10) == 0)
printk("\n");
}
printk("\nDone.\n");
} else
#endif
if (dataAddr != 0 && count != 0) {
addr = simple_strtoull(dataAddr, NULL, 0);
@ -145,7 +173,7 @@ inline uint32_t cycleCounter(uint32_t dep)
return res;
}
#else
#error Architecture NOT SUPPORTE
#error Architecture NOT SUPPORTED
#endif
static void __exit devtime_end(void)
@ -162,3 +190,6 @@ MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
module_param(dataAddr, charp, 0);
module_param(count, int, 0);
#ifdef __alpha__
module_param(memTest, int, 0);
#endif