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-rw-r--r--collectors/plugins.d/README.md1
-rw-r--r--collectors/plugins.d/plugins_d.c7
2 files changed, 7 insertions, 1 deletions
diff --git a/collectors/plugins.d/README.md b/collectors/plugins.d/README.md
index 105a60eb5..9134d5163 100644
--- a/collectors/plugins.d/README.md
+++ b/collectors/plugins.d/README.md
@@ -15,6 +15,7 @@ plugin|language|O/S|description
[freeipmi.plugin](../freeipmi.plugin/)|`C`|linux|collects metrics from enterprise hardware sensors, on Linux servers.
[nfacct.plugin](../nfacct.plugin/)|`C`|linux|collects netfilter firewall, connection tracker and accounting metrics using `libmnl` and `libnetfilter_acct`.
[xenstat.plugin](../xenstat.plugin/)|`C`|linux|collects XenServer and XCP-ng metrics using `lxenstat`.
+[perf.plugin](../perf.plugin/)|`C`|linux|collects CPU performance metrics using performance monitoring units (PMU).
[node.d.plugin](../node.d.plugin/)|`node.js`|all|a **plugin orchestrator** for data collection modules written in `node.js`.
[python.d.plugin](../python.d.plugin/)|`python`|all|a **plugin orchestrator** for data collection modules written in `python` v2 or v3 (both are supported).
diff --git a/collectors/plugins.d/plugins_d.c b/collectors/plugins.d/plugins_d.c
index 024dd292a..66ec5d0ea 100644
--- a/collectors/plugins.d/plugins_d.c
+++ b/collectors/plugins.d/plugins_d.c
@@ -154,7 +154,12 @@ inline size_t pluginsd_process(RRDHOST *host, struct plugind *cd, FILE *fp, int
char *r = fgets(line, PLUGINSD_LINE_MAX, fp);
if(unlikely(!r)) {
- error("read failed");
+ if(feof(fp))
+ error("read failed: end of file");
+ else if(ferror(fp))
+ error("read failed: input error");
+ else
+ error("read failed: unknown error");
break;
}