[clamav-users] High CPU load during startup/reload of sigs for a long time.

[Ralf Hildebrandt]

> I used "strace -c -p 2906" and issued a "kill -SIGUSR2 2906" in
> another window and got these stats for the reload of the signatures:

Also did a "ltrace -c -p 2906":

^C% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 55.85  109.107849      252564       432 pthread_cond_timedwait
  7.34   14.341060       19618       731 poll
  7.27   14.211043        2362      6016 pthread_mutex_lock
  6.30   12.315734    12315734         1 cl_load
  4.69    9.163300        1522      6019 pthread_mutex_unlock
  3.60    7.039098       16034       439 cl_scandesc_callback
  2.94    5.747335     5747335         1 pthread_cond_wait
  1.78    3.480168         660      5268 strncmp
  0.95    1.865339     1865339         1 cl_engine_compile
  0.95    1.854321         791      2344 time
  0.86    1.679799         574      2924 pthread_cond_signal
  0.80    1.564059         508      3075 pthread_once
  0.79    1.551365         503      3080 pthread_getspecific
  0.65    1.260493         478      2634 sigdelset
  0.45    0.877795         609      1441 malloc
  0.43    0.838784         952       881 fcntl
  ...
------ ----------- ----------- --------- --------------------
100.00  195.366582                 47161 total

-- 
Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
ralf.hildebrandt at charite.de        Campus Benjamin Franklin
https://www.charite.de             Hindenburgdamm 30, 12203 Berlin
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