diff options
Diffstat (limited to 'pcp')
| -rw-r--r-- | pcp/README | 100 | ||||
| -rw-r--r-- | pcp/domain.h | 4 | ||||
| -rw-r--r-- | pcp/help | 77 | ||||
| -rwxr-xr-x | pcp/mkheader.pl | 63 | ||||
| -rw-r--r-- | pcp/pmns | 45 | ||||
| -rw-r--r-- | pcp/root | 10 |
6 files changed, 299 insertions, 0 deletions
diff --git a/pcp/README b/pcp/README new file mode 100644 index 0000000000..0c302bbfb4 --- /dev/null +++ b/pcp/README @@ -0,0 +1,100 @@ +NOTE! The samba.c source in this directory has been removed pending +approval from SGI to use it under the GPLv3 license. + +Please see Samba 3.0.xx for a copy of this code under the GPLv2 +license if required. + +samba PMDA +=========== + +This PMDA is a sample that illustrates how a simple samba monitor +PMDA might be constructed, using a shared memory segment to transfer +information about transaction activity from the smb daemon. + +Note: + This PMDA may be remade from source and hence requires + a C compiler and Perl to be installed. + + Uses of make(1) may fail (without removing or clobbering files) + if the C compiler cannot be found. This is most likely to + happen when running the PMDA ./Install script. + + The only remedial action is to install the C compiler, or + hand-craft changes to the Makefile. + +Metrics +======= + +The file ./help contains descriptions for all of the metrics exported +by this PMDA. + +Once the PMDA has been installed, the following command will list all +the available metrics and their explanatory "help" text: + + $ pminfo -fT samba + +Installation +============ + + + # mkdir /var/pcp/pmdas/samba + + # cp * /var/pcp/pmdas/samba + + # cp ../source/include/profile.h /var/pcp/pmdas/samba + + # cd /var/pcp/pmdas/samba + + + Check that there is no clash in the Performance Metrics Domain + defined in ./domain.h and the other PMDAs currently in use + (/etc/pmcd.conf). If there is, edit ./domain.h to choose another + domain number. + + + If you are not installing on an IRIX system, edit samba.c and + comment out the + + #define IRIX 1 + + + Then simply use + + # ./Install + + + Alternatively, to install just the Performance Metrics Name Space + for the samba metrics on the local system, but not the samba PMDA + (presumably because the local system is running PCP 1.x and you + wish to connect to a remote system where PCP 2.0 and the samba PMDA + is running), make sure the Performance Metrics Domain defined in + ./domain.h matches the domain chosen for the samba PMDA on the + remote system (check the second field in the corresponding line of + the pmcd.conf file on the remote system - located in /etc on IRIX + and /var/pcp/config/pmcd on Linux), then + + # ./Install -N + +De-installation +=============== + + + Simply use + + # cd /var/pcp/pmdas/samba + # ./Remove + + + If you also want to remove the sources use + + # cd / + # rm -rf /var/pcp/pmdas/samba + +Making something happen +======================= + +The application "smbd" updates the shared memory segment to add +profile information about smbd. By default updating is disabled. +To start updating of the shared memory segment you need to run the +smbcontrol command to turn on profiling for one or more smbd processes +(see the man page for smbcontrol). + + + +Troubleshooting +=============== + + + After installing or restarting the agent, the PMCD log file + (pmcd.log) and the PMDA log file (samba.log) should be checked + for any warnings or errors. These logs are located in + /var/log/pcp/pmcd on Linux and /var/adm/pcplog on IRIX. diff --git a/pcp/domain.h b/pcp/domain.h new file mode 100644 index 0000000000..3cf0bc6ce9 --- /dev/null +++ b/pcp/domain.h @@ -0,0 +1,4 @@ +/* + * built from /var/pcp/pmns/stdpmid + */ +#define SAMBA 123 diff --git a/pcp/help b/pcp/help new file mode 100644 index 0000000000..dc3b02f03b --- /dev/null +++ b/pcp/help @@ -0,0 +1,77 @@ +# +# samba PMDA help file in the ASCII format +# +# lines beginning with a # are ignored +# lines beginning @ introduce a new entry of the form +# @ metric_name oneline-text +# help test goes +# here over multiple lines +# ... +# +# the metric_name is decoded against the default PMNS -- as a special case, +# a name of the form NNN.MM (for numeric NNN and MM) is interpreted as an +# instance domain identification, and the text describes the instance domain +# +# blank lines before the @ line are ignored +# + +@ SAMBA.0 Count and Time Instance Domain +Contains count and time information for system calls and smb transactions. +Counts shows the number of times each transaction was called. Times +indicates the time spent in each transaction. + +@ SAMBA.1 Byte Instance Domain +This domain contains instances for the number of bytes transferred +using the read and write system call. + +@ samba.counts Count of calls to this function + +@ samba.times Time required to complete call + +@ samba.bytes Number of bytes processed by this call + +@ samba.smbd.smb_count Count of SMB packets processed + +@ samba.smbd.uid_changes Count of times effective uid changed + +@ samba.statcache.lookups Number of lookups in stat cache + +@ samba.statcache.misses Number of times stat cache lookup missed + +@ samba.statcache.hits Number of times stat cache lookup hit + +@ samba.writecache.num_caches Number of write caches available + +@ samba.writecache.allocated_caches Number of write caches allocated + +@ samba.writecache.read_hits Number of times read request found in write cache + +@ samba.writecache.total_writes Number of writes to write cache + +@ samba.writecache.init_writes Number of initial writes to write cache + +@ samba.writecache.abutted_writes + +@ samba.writecache.perfect_writes + +@ samba.writecache.direct_writes + +@ samba.writecache.non_oplock_writes + +@ samba.writecache.seek_flush + +@ samba.writecache.read_flush + +@ samba.writecache.write_flush + +@ samba.writecache.readraw_flush + +@ samba.writecache.oplock_rel_flush + +@ samba.writecache.close_flush + +@ samba.writecache.sync_flush + +@ samba.writecache.size_change_flush + +@ samba.bytes cumulative number of bytes read or written diff --git a/pcp/mkheader.pl b/pcp/mkheader.pl new file mode 100755 index 0000000000..ad069c544a --- /dev/null +++ b/pcp/mkheader.pl @@ -0,0 +1,63 @@ +#!/usr/bin/perl + + +open(PROFILE,"profile.h") || die "Unable to open profile.h\n"; +@profile = <PROFILE>; +close PROFILE; + +open(METRICS,"> metrics.h") || die "Unable to open metrics.h for output\n"; + +print METRICS "#define COUNT_TIME_INDOM 0\n"; +print METRICS "#define BYTE_INDOM 1\n\n"; +print METRICS "#define FIELD_OFF(x) (unsigned)\&(((struct profile_stats *)NULL)->x)\n\n"; +print METRICS "typedef struct {\n"; +print METRICS "\tchar *name;\n"; +print METRICS "\tunsigned offset;\n"; +print METRICS "} samba_instance;\n\n"; + +@instnames = grep(/unsigned .*_time;/,@profile); +foreach $instnames (@instnames) { + chomp $instnames; + $instnames =~ s/^.*unsigned (.*)_time.*$/$1/; +} + +print METRICS "static samba_instance samba_counts[] = {"; +$first = 1; +foreach $1 (@instnames) { + if ($first == 1) { + $first = 0; + print METRICS "\n"; + } else { + print METRICS ",\n"; + } + print METRICS "\t{\"$1\", FIELD_OFF($1_count)}"; +} +print METRICS "\n};\n\n"; +print METRICS "static samba_instance samba_times[] = {"; +$first = 1; +foreach $1 (@instnames) { + if ($first == 1) { + $first = 0; + print METRICS "\n"; + } else { + print METRICS ",\n"; + } + print METRICS "\t{\"$1\", FIELD_OFF($1_time)}"; +} +print METRICS "\n};\n\n"; +print METRICS "static samba_instance samba_bytes[] = {"; +@instnames = grep(/unsigned .*_bytes;/,@profile); +$first = 1; +foreach $_ (@instnames) { + if ($first == 1) { + $first = 0; + print METRICS "\n"; + } else { + print METRICS ",\n"; + } + /^.*unsigned (.*)_bytes.*$/; + print METRICS "\t{\"$1\", FIELD_OFF($1_bytes)}"; +} +print METRICS "\n};\n"; + +close METRICS diff --git a/pcp/pmns b/pcp/pmns new file mode 100644 index 0000000000..1f3dd3934e --- /dev/null +++ b/pcp/pmns @@ -0,0 +1,45 @@ +/* + * Metrics for samba PMDA + * + */ + +samba { + smbd + statcache + writecache + counts SAMBA:3:0 + times SAMBA:4:0 + bytes SAMBA:5:0 +} + +samba.smbd { + smb_count SAMBA:0:0 + uid_changes SAMBA:0:1 +} + +samba.statcache { + lookups SAMBA:1:0 + misses SAMBA:1:1 + hits SAMBA:1:2 +} + +samba.writecache { + num_caches SAMBA:2:0 + allocated_caches SAMBA:2:1 + read_hits SAMBA:2:2 + total_writes SAMBA:2:3 + init_writes SAMBA:2:4 + abutted_writes SAMBA:2:5 + perfect_writes SAMBA:2:6 + direct_writes SAMBA:2:7 + non_oplock_writes SAMBA:2:8 + seek_flush SAMBA:2:9 + read_flush SAMBA:2:10 + write_flush SAMBA:2:11 + readraw_flush SAMBA:2:12 + oplock_rel_flush SAMBA:2:13 + close_flush SAMBA:2:14 + sync_flush SAMBA:2:15 + size_change_flush SAMBA:2:16 +} + diff --git a/pcp/root b/pcp/root new file mode 100644 index 0000000000..d5137bc7dd --- /dev/null +++ b/pcp/root @@ -0,0 +1,10 @@ +/* + * fake "root" for validating the local PMNS subtree + */ + +#include "/var/pcp/pmns/stdpmid" + +root { samba } + +#include "pmns" + |