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cVwsCA9xpgzdP3baANOUz98UvR9zwg3n9HleXswZtbY6VgygyCchM8xtCZCbekAHhu0X+HjPodv 1tNMFePcP1SB2lHGkUKWIIvd3t1Fp01xa+NyT+FEwXP7manWFpU8OiZM4md1k8mxPVFTBLW/AEo XlNssGy5sOpHLJk58Z4tf5IXF5KSWcagqeHZf7wFZE+JT3hZ8Tr5RKf4ssga1SGGdtdAskRBIG4 Cpg7rtAUpYzBZth/BKH4rHidB/xuz2e9W2Qh68YC1V1arYHHLsn/JO7NBi2plpjCR9eZ8PoqT3N cw87yNHQlbfZtH81+RZBIwgZmUgeFh0HNwaoZOj2UoGWJ7Z0A41tPCMciTRlYJqyPgSbgd7MCnZ bEkhscux5hWZeV7TvAK1DAYvJSsHPtT43ZzNF0LQ4pGM730KwQc= X-Authority-Analysis: v=2.4 cv=YJeSCBGx c=1 sm=1 tr=0 ts=693b4a12 b=1 cx=c_pps a=e1sVV491RgrpLwSTMOnk8w==:117 a=e1sVV491RgrpLwSTMOnk8w==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=wP3pNCr1ah4A:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=yPCof4ZbAAAA:8 a=Dv7hwv4hi08CPql2O_oA:9 a=CjuIK1q_8ugA:10 cc=ntf awl=host:13654 Even when less than the possible number of CPUs are online, the 'buffers' BPF map should be allocated based on the highest possible CPU id because probe data is written to the bufer that corresponds to a given CPU id, which could be part of non-sequential CPU id configurations. Signed-off-by: Kris Van Hees --- libdtrace/dt_bpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libdtrace/dt_bpf.c b/libdtrace/dt_bpf.c index 0a57b7d2..6568a572 100644 --- a/libdtrace/dt_bpf.c +++ b/libdtrace/dt_bpf.c @@ -755,7 +755,7 @@ gmap_create_buffers(dtrace_hdl_t *dtp) { return create_gmap(dtp, "buffers", BPF_MAP_TYPE_PERF_EVENT_ARRAY, sizeof(uint32_t), sizeof(uint32_t), - dtp->dt_conf.num_online_cpus); + dtp->dt_conf.max_cpuid); } /* -- 2.43.5