diff options
Diffstat (limited to 'tools/xentrace/xentrace_format')
| -rw-r--r-- | tools/xentrace/xentrace_format | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/xentrace/xentrace_format b/tools/xentrace/xentrace_format index f0127309ab..e13b05b734 100644 --- a/tools/xentrace/xentrace_format +++ b/tools/xentrace/xentrace_format @@ -110,6 +110,10 @@ D7REC = "IIIIIII" last_tsc = [0] +TRC_TRACE_IRQ = 0x1f004 +NR_VECTORS = 256 +irq_measure = [{'count':0, 'tot_cycles':0, 'max_cycles':0}] * NR_VECTORS + i=0 while not interrupted: @@ -179,6 +183,19 @@ while not interrupted: if event == 0x1f003: cpu = d1 + if event == TRC_TRACE_IRQ: + # IN - d1:vector, d2:tsc_in, d3:tsc_out + # OUT - d1:vector, d2:count, d3:tot_cycles, d4:max_cycles + tsc_diff = d3 - d2 + if tsc_diff < 0: + break + irq_measure[d1]['count'] += 1 + irq_measure[d1]['tot_cycles'] += tsc_diff + if irq_measure[d1]['max_cycles'] < tsc_diff: + irq_measure[d1]['max_cycles'] = tsc_diff + d2 = irq_measure[d1]['count'] + d3 = irq_measure[d1]['tot_cycles'] + d4 = irq_measure[d1]['max_cycles'] #tsc = (tscH<<32) | tscL |