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57 lines
2.7 KiB
57 lines
2.7 KiB
7 years ago
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Bug 967871 - net-snmp does not display correct lm_sensors sensor data / missing CPU cores
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commit e886f5eb9701851ad6948583156bfd59fcb6110f
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Author: Jan Safranek <jsafranek@users.sourceforge.net>
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Date: Wed Feb 25 09:30:24 2015 +0100
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CHANGES: snmpd: fixed lm_sensors not reporting sensors with duplicate names.
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Some systems report two or more sensors with the same name.
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This patch adds support for reporting of all these duplicate
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sensor names.
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Before the patch, these sensors were reported:
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> lmTempSensorsDevice.2 = STRING: Core 0
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After the patch, new sensors appear with a prefix:
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> lmTempSensorsDevice.2 = STRING: Core 0
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> lmTempSensorsDevice.6 = STRING: coretemp-isa-0004:Core 0
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This approach keeps backward compatibility (applications used to 'Core 0'
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will keep workig, while it adds new sensorscto the table (with a prefix).
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diff --git a/agent/mibgroup/hardware/sensors/lmsensors_v3.c b/agent/mibgroup/hardware/sensors/lmsensors_v3.c
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index 60af9e6..1de7c68 100644
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--- a/agent/mibgroup/hardware/sensors/lmsensors_v3.c
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+++ b/agent/mibgroup/hardware/sensors/lmsensors_v3.c
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@@ -86,7 +86,28 @@ netsnmp_sensor_arch_load(netsnmp_cache *cache, void *vp) {
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* (inserting it in the appropriate sub-containers)
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*/
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sp = sensor_by_name( label, type );
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- if ( sp ) {
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+ if ( sp && sp->flags & NETSNMP_SENSOR_FLAG_ACTIVE) {
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+ /*
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+ * Some HW does not have unique sensors labels.
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+ * We already have a sensor with this label, thus
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+ * try to create unique label by adding chip-name prefix
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+ * and try again.
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+ */
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+ char chip_name[64];
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+ char new_label[128];
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+ int ret;
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+ DEBUGMSGTL(("sensors:arch:detail", "Already know label %s, adding prefix\n", label));
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+ ret = sensors_snprintf_chip_name(chip_name, sizeof(chip_name), chip);
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+ if (ret < 0) {
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+ DEBUGMSGTL(("sensors:arch:detail", "Can't get chip name for label %s\n", label));
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+ free(label);
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+ continue;
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+ }
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+ snprintf(new_label, sizeof(new_label), "%s:%s", chip_name, label);
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+ DEBUGMSGTL(("sensors:arch:detail", "New label: %s\n", new_label));
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+ sp = sensor_by_name( new_label, type );
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+ }
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+ if (sp) {
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sp->value = val;
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sp->flags|= NETSNMP_SENSOR_FLAG_ACTIVE;
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}
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