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This commit is contained in:
Taku Shimosawa
2011-12-02 12:35:38 +09:00
parent 5fdb3b2bb2
commit 7999653a00
18 changed files with 536 additions and 64 deletions
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52
kernel/init.c
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@@ -53,31 +53,49 @@ static void dma_test(void)
}
}
extern char *aal_mc_get_kernel_args(void);
char *find_command_line(char *name)
{
char *cmdline = aal_mc_get_kernel_args();
if (!cmdline) {
return NULL;
}
return strstr(cmdline, name);
}
static void pc_test(void)
{
int i;
int kmode = PERFCTR_USER_MODE;
int x[2][4] = { { APT_TYPE_L1D_MISS, APT_TYPE_L1I_MISS,
int kmode = PERFCTR_KERNEL_MODE;
int imode = 1;
char *p;
int x[2][4] = { { APT_TYPE_L1D_REQUEST,
APT_TYPE_L1D_MISS,
APT_TYPE_L2_MISS, APT_TYPE_INSTRUCTIONS, },
{ APT_TYPE_STALL, APT_TYPE_L1I_MISS,
APT_TYPE_L2_MISS, APT_TYPE_INSTRUCTIONS, }};
{ APT_TYPE_L1I_MISS, APT_TYPE_LLC_MISS,
APT_TYPE_STALL, APT_TYPE_CYCLE },
};
if (!(p = find_command_line("perfctr"))) {
kprintf("perfctr not initialized.\n");
return;
}
if (p[7] == '=' && p[8] >= '0' && p[8] <= '5') {
i = p[8] - '0';
kmode = (i >> 1) + 1;
imode = (i & 1);
} else {
kprintf("perfctr not initialized.\n");
return;
}
kprintf("perfctr mode : priv = %d, set = %d\n", kmode, imode);
for (i = 0; i < 4; i++) {
aal_mc_perfctr_init(i, x[1][i], kmode);
aal_mc_perfctr_init(i, x[imode][i], kmode);
}
aal_mc_perfctr_start(0xf);
/*
aal_mc_perfctr_read_mask(0x0f, st);
for (i = 0; i < 100000; i++) {
data[i & 1023] += i;
asm volatile("" : : : "memory");
}
aal_mc_perfctr_read_mask(0x0f, ed);
aal_mc_perfctr_stop(1);
kprintf("INS = %ld, %ld, %ld\n", st[0], ed[0], ed[0] - st[0]);
kprintf("L2M = %ld, %ld, %ld\n", st[1], ed[1], ed[1] - st[1]);
*/
}
static void rest_init(void)