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szaydel/open-close-sema.d

Last active March 22, 2022 02:46
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open-close-sema.d
dtrace -qn '
::sdopen:entry { self->in_open = 1; }
::ddi_get_soft_state:entry /self->in_open/ { self->inst = args[1]; }
::ddi_get_soft_state:return /self->in_open/ {
printf("sd%d %d\n", self->inst, ((struct sd_lun *)args[1])->un_detach_count);
self->in_open = 0;
self->inst = 0;
}'
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