diff options
Diffstat (limited to 'meta/classes/buildstats.bbclass')
| -rw-r--r-- | meta/classes/buildstats.bbclass | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/meta/classes/buildstats.bbclass b/meta/classes/buildstats.bbclass index e58d37be5e..2d63589e4b 100644 --- a/meta/classes/buildstats.bbclass +++ b/meta/classes/buildstats.bbclass @@ -25,13 +25,14 @@ def get_process_cputime(pid): 'cstime' : fields[16], } iostats = {} - with open("/proc/%d/io" % pid, "r") as f: - while True: - i = f.readline().strip() - if not i: - break - i = i.split(": ") - iostats[i[0]] = i[1] + if os.path.isfile("/proc/%d/io" % pid): + with open("/proc/%d/io" % pid, "r") as f: + while True: + i = f.readline().strip() + if not i: + break + i = i.split(": ") + iostats[i[0]] = i[1] resources = resource.getrusage(resource.RUSAGE_SELF) childres = resource.getrusage(resource.RUSAGE_CHILDREN) return stats, iostats, resources, childres @@ -111,7 +112,14 @@ python run_buildstats () { if isinstance(e, bb.event.BuildStarted): ######################################################################## - # at first pass make the buildstats heriarchy and then + # If the kernel was not configured to provide I/O statistics, issue + # a one time warning. + ######################################################################## + if not os.path.isfile("/proc/%d/io" % os.getpid()): + bb.warn("The Linux kernel on your build host was not configured to provide process I/O statistics. (CONFIG_TASK_IO_ACCOUNTING is not set)") + + ######################################################################## + # at first pass make the buildstats hierarchy and then # set the buildname ######################################################################## bb.utils.mkdirhier(bsdir) |