diff options
Diffstat (limited to 'lib/libprocstat/libprocstat.3')
| -rw-r--r-- | lib/libprocstat/libprocstat.3 | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/lib/libprocstat/libprocstat.3 b/lib/libprocstat/libprocstat.3 index dd163c2..a64376c 100644 --- a/lib/libprocstat/libprocstat.3 +++ b/lib/libprocstat/libprocstat.3 @@ -28,6 +28,7 @@ .Dt LIBPROCSTAT 3 .Os .Sh NAME +.Nm procstat_open_core , .Nm procstat_open_kvm , .Nm procstat_open_sysctl , .Nm procstat_close , @@ -105,6 +106,8 @@ .Fa "unsigned int *count" .Fc .Ft "struct procstat *" +.Fn procstat_open_core "const char *filename" +.Ft "struct procstat *" .Fn procstat_open_kvm "const char *nlistf" "const char *memf" .Ft "struct procstat *" .Fn procstat_open_sysctl void @@ -116,7 +119,11 @@ retrieval from the running kernel via the .Xr sysctl 3 library backend, and for post-mortem analysis via the .Xr kvm 3 -library backend. +library backend, or from the process +.Xr core 5 +file, searching for statistics in special +.Xr elf 3 +note sections. .Pp The .Fn procstat_open_kvm @@ -129,6 +136,16 @@ or library routines, respectively, to access kernel state information used to retrieve processes and files states. The +.Fn procstat_open_core +uses +.Xr elf 3 +routines to access statistics stored as a set of notes in a process +.Xr core 5 +file, written by the kernel at the moment of the process abnormal termination. +The +.Fa filename +argument is the process core file name. +The .Fa nlistf argument is the executable image of the kernel being examined. If this argument is @@ -145,7 +162,7 @@ is assumed. See .Xr kvm_open 3 for more details. -Both functions dynamically allocate and return a +The functions dynamically allocate and return a .Vt procstat structure pointer used in the rest of the .Nm libprocstat @@ -250,10 +267,12 @@ argument indicates an actual error message in case of failure. .Xr pipe 2 , .Xr shm_open 2 , .Xr socket 2 , +.Xr elf 3 , .Xr kvm 3 , .Xr queue 3 , .Xr sysctl 3 , .Xr pts 4 , +.Xr core 5 , .Xr vnode 9 .Sh HISTORY The |
