preemption latency trace v1.0.2 ------------------------------- latency: 228 us, entries: 160 (160) ----------------- | task: ttcp/8197, uid:0 nice:0 policy:0 rt_prio:0 ----------------- => started at: __check_and_rekey+0x1c/0xd0 => ended at: local_bh_enable+0x17/0xa0 =======> 00000100 0.000ms (+0.000ms): __check_and_rekey (secure_tcp_sequence_number) 00000101 0.000ms (+0.000ms): get_random_bytes (__check_and_rekey) 00000101 0.001ms (+0.000ms): extract_entropy (get_random_bytes) 00000101 0.002ms (+0.001ms): extract_entropy (extract_entropy) 00000101 0.004ms (+0.001ms): SHATransform (extract_entropy) 00000101 0.004ms (+0.000ms): memcpy (SHATransform) 00000101 0.023ms (+0.018ms): add_entropy_words (extract_entropy) 00000101 0.026ms (+0.002ms): SHATransform (extract_entropy) 00000101 0.026ms (+0.000ms): memcpy (SHATransform) 00000101 0.029ms (+0.003ms): add_entropy_words (extract_entropy) 00000101 0.030ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.030ms (+0.000ms): memcpy (SHATransform) 00000101 0.033ms (+0.003ms): add_entropy_words (extract_entropy) 00000101 0.034ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.034ms (+0.000ms): memcpy (SHATransform) 00000101 0.037ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.038ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.038ms (+0.000ms): memcpy (SHATransform) 00000101 0.041ms (+0.003ms): add_entropy_words (extract_entropy) 00000101 0.042ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.042ms (+0.000ms): memcpy (SHATransform) 00000101 0.045ms (+0.003ms): add_entropy_words (extract_entropy) 00000101 0.046ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.046ms (+0.000ms): memcpy (SHATransform) 00000101 0.049ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.049ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.050ms (+0.000ms): memcpy (SHATransform) 00000101 0.053ms (+0.003ms): add_entropy_words (extract_entropy) 00000101 0.054ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.054ms (+0.000ms): memcpy (SHATransform) 00000101 0.057ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.058ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.058ms (+0.000ms): memcpy (SHATransform) 00000101 0.061ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.061ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.062ms (+0.000ms): memcpy (SHATransform) 00000101 0.065ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.065ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.065ms (+0.000ms): memcpy (SHATransform) 00000101 0.068ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.069ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.069ms (+0.000ms): memcpy (SHATransform) 00000101 0.072ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.073ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.073ms (+0.000ms): memcpy (SHATransform) 00000101 0.076ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.076ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.077ms (+0.000ms): memcpy (SHATransform) 00000101 0.080ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.080ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.080ms (+0.000ms): memcpy (SHATransform) 00000101 0.083ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.084ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.084ms (+0.000ms): memcpy (SHATransform) 00000101 0.087ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.088ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.088ms (+0.000ms): memcpy (SHATransform) 00000101 0.091ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.092ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.092ms (+0.000ms): memcpy (SHATransform) 00000101 0.095ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.096ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.096ms (+0.000ms): memcpy (SHATransform) 00000101 0.099ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.099ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.100ms (+0.000ms): memcpy (SHATransform) 00000101 0.102ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.103ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.103ms (+0.000ms): memcpy (SHATransform) 00000101 0.106ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.107ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.107ms (+0.000ms): memcpy (SHATransform) 00000101 0.110ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.111ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.111ms (+0.000ms): memcpy (SHATransform) 00000101 0.114ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.114ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.115ms (+0.000ms): memcpy (SHATransform) 00000101 0.118ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.118ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.119ms (+0.000ms): memcpy (SHATransform) 00000101 0.121ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.122ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.122ms (+0.000ms): memcpy (SHATransform) 00000101 0.125ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.126ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.126ms (+0.000ms): memcpy (SHATransform) 00000101 0.129ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.130ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.130ms (+0.000ms): memcpy (SHATransform) 00000101 0.133ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.133ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.134ms (+0.000ms): memcpy (SHATransform) 00000101 0.136ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.137ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.137ms (+0.000ms): memcpy (SHATransform) 00000101 0.140ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.141ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.141ms (+0.000ms): memcpy (SHATransform) 00000101 0.144ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.145ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.145ms (+0.000ms): memcpy (SHATransform) 00000101 0.148ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.149ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.149ms (+0.000ms): memcpy (SHATransform) 00000101 0.152ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.152ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.153ms (+0.000ms): memcpy (SHATransform) 00000101 0.156ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.156ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.156ms (+0.000ms): memcpy (SHATransform) 00000101 0.159ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.160ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.160ms (+0.000ms): memcpy (SHATransform) 00000101 0.163ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.164ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.164ms (+0.000ms): memcpy (SHATransform) 00000101 0.167ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.167ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.168ms (+0.000ms): memcpy (SHATransform) 00000101 0.171ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.171ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.171ms (+0.000ms): memcpy (SHATransform) 00000101 0.174ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.176ms (+0.001ms): add_entropy_words (extract_entropy) 00000101 0.180ms (+0.004ms): credit_entropy_store (extract_entropy) 00000102 0.182ms (+0.001ms): __wake_up (extract_entropy) 00000103 0.182ms (+0.000ms): __wake_up_common (__wake_up) 00000101 0.183ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.183ms (+0.000ms): memcpy (SHATransform) 00000101 0.186ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.187ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.187ms (+0.000ms): memcpy (SHATransform) 00000101 0.190ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.191ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.191ms (+0.000ms): memcpy (SHATransform) 00000101 0.194ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.194ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.195ms (+0.000ms): memcpy (SHATransform) 00000101 0.198ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.198ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.199ms (+0.000ms): memcpy (SHATransform) 00000101 0.201ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.202ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.202ms (+0.000ms): memcpy (SHATransform) 00000101 0.205ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.206ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.206ms (+0.000ms): memcpy (SHATransform) 00000101 0.209ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.210ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.210ms (+0.000ms): memcpy (SHATransform) 00000101 0.213ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.214ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.214ms (+0.000ms): memcpy (SHATransform) 00000101 0.217ms (+0.002ms): add_entropy_words (extract_entropy) 00000101 0.218ms (+0.000ms): SHATransform (extract_entropy) 00000101 0.218ms (+0.000ms): memcpy (SHATransform) 00000101 0.221ms (+0.002ms): add_entropy_words (extract_entropy) 00000100 0.222ms (+0.001ms): local_bh_enable (__check_and_rekey) 00000100 0.223ms (+0.000ms): sub_preempt_count (local_bh_enable)