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Category

Severity

Reproducibility

Date Submitted

Last Update

0005047

[gangliaagent]

minor

always

2013-01-23 22:51

Reporter

dmoraru

View Status

public

Assigned To

Priority

normal

Resolution

open

Status

new

Summary

0005047: no network activity reported

Description

Ganglia reports a constant 0 bytes/sec in/out network traffic for any server running Solaris 11.0 and above.

Additional Information

libmetrics.so uses kstat to measure resource usage under Solaris. Solaris 11 changed the way network interfaces are named and how they appear in the kstat chain, thus breaking part of the code in libmetrics/solaris/metrics.c. Specifically, the following section of code in update_if_data() which loops over all interfaces:

      if (strcmp(info->ks_class, "net") == 0) {
         sprintf(buff, "%s%d", info->ks_module, info->ks_instance);
         if (strcmp(info->ks_name, buff) == 0) {
            extract_if_data(info);
         }
      }

should be changed to

     if ( (strcmp(info->ks_class, "net") == 0) && \
          (strcmp(info->ks_module, "link") == 0) ) {
         extract_if_data(info);
     }

to work under Solaris 11. The char array 'buff' is no longer needed.

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