diff options
Diffstat (limited to 'arch/powerpc/oprofile/op_model_cell.c')
-rw-r--r-- | arch/powerpc/oprofile/op_model_cell.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index c4d2b7167568..cb515cff745c 100644 --- a/arch/powerpc/oprofile/op_model_cell.c +++ b/arch/powerpc/oprofile/op_model_cell.c | |||
@@ -67,7 +67,7 @@ | |||
67 | 67 | ||
68 | #define MAX_SPU_COUNT 0xFFFFFF /* maximum 24 bit LFSR value */ | 68 | #define MAX_SPU_COUNT 0xFFFFFF /* maximum 24 bit LFSR value */ |
69 | 69 | ||
70 | /* Minumum HW interval timer setting to send value to trace buffer is 10 cycle. | 70 | /* Minimum HW interval timer setting to send value to trace buffer is 10 cycle. |
71 | * To configure counter to send value every N cycles set counter to | 71 | * To configure counter to send value every N cycles set counter to |
72 | * 2^32 - 1 - N. | 72 | * 2^32 - 1 - N. |
73 | */ | 73 | */ |
@@ -1470,7 +1470,7 @@ static int cell_global_start(struct op_counter_config *ctr) | |||
1470 | * trace buffer at the maximum rate possible. The trace buffer is configured | 1470 | * trace buffer at the maximum rate possible. The trace buffer is configured |
1471 | * to store the PCs, wrapping when it is full. The performance counter is | 1471 | * to store the PCs, wrapping when it is full. The performance counter is |
1472 | * initialized to the max hardware count minus the number of events, N, between | 1472 | * initialized to the max hardware count minus the number of events, N, between |
1473 | * samples. Once the N events have occured, a HW counter overflow occurs | 1473 | * samples. Once the N events have occurred, a HW counter overflow occurs |
1474 | * causing the generation of a HW counter interrupt which also stops the | 1474 | * causing the generation of a HW counter interrupt which also stops the |
1475 | * writing of the SPU PC values to the trace buffer. Hence the last PC | 1475 | * writing of the SPU PC values to the trace buffer. Hence the last PC |
1476 | * written to the trace buffer is the SPU PC that we want. Unfortunately, | 1476 | * written to the trace buffer is the SPU PC that we want. Unfortunately, |
@@ -1656,7 +1656,7 @@ static void cell_handle_interrupt_ppu(struct pt_regs *regs, | |||
1656 | * The counters were frozen by the interrupt. | 1656 | * The counters were frozen by the interrupt. |
1657 | * Reenable the interrupt and restart the counters. | 1657 | * Reenable the interrupt and restart the counters. |
1658 | * If there was a race between the interrupt handler and | 1658 | * If there was a race between the interrupt handler and |
1659 | * the virtual counter routine. The virutal counter | 1659 | * the virtual counter routine. The virtual counter |
1660 | * routine may have cleared the interrupts. Hence must | 1660 | * routine may have cleared the interrupts. Hence must |
1661 | * use the virt_cntr_inter_mask to re-enable the interrupts. | 1661 | * use the virt_cntr_inter_mask to re-enable the interrupts. |
1662 | */ | 1662 | */ |