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Olivier Fourdan <ofourdan@redhat.com> 9/2/08 patch to monitor %used in SEL buffer and log warnings when 80% && 100% full

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This commit is contained in:
Carol Hebert 2009-01-29 21:34:22 +00:00
parent 37cb538e5a
commit 1d927c8c45
1 changed files with 82 additions and 17 deletions
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99
ipmitool/src/ipmievd.c
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@ -75,6 +75,7 @@
#include <ipmitool/ipmi_strings.h>
#include <ipmitool/ipmi_main.h>
#define WARNING_THRESHOLD 80
#define DEFAULT_PIDFILE _PATH_VARRUN "ipmievd.pid"
char pidfile[64];
@ -83,6 +84,8 @@ int verbose = 0;
int csv_output = 0;
uint16_t selwatch_count = 0; /* number of entries in the SEL */
uint16_t selwatch_lastid = 0; /* current last entry in the SEL */
int selwatch_pctused = 0; /* current percent usage in the SEL */
int selwatch_overflow = 0; /* SEL overflow */
int selwatch_timeout = 10; /* default to 10 seconds */
/* event interface definition */
@ -98,6 +101,13 @@ struct ipmi_event_intf {
struct ipmi_intf * intf;
};
/* Data from SEL we are interested in */
typedef struct sel_data {
uint16_t entries;
int pctused;
int overflow;
} sel_data;
static void log_event(struct ipmi_event_intf * eintf, struct sel_event_record * evt);
/* ~~~~~~~~~~~~~~~~~~~~~~ openipmi ~~~~~~~~~~~~~~~~~~~~ */
@ -183,6 +193,20 @@ ipmi_event_intf_load(char * name)
return NULL;
}
static int
compute_pctfull(uint16_t entries, uint16_t freespace)
{
int pctfull = 0;
if (entries) {
entries *= 16;
freespace += entries;
pctfull = (int)(100 * ( (double)entries / (double)freespace ));
}
return pctfull;
}
static void
log_event(struct ipmi_event_intf * eintf, struct sel_event_record * evt)
{
@ -459,11 +483,12 @@ openipmi_wait(struct ipmi_event_intf * eintf)
/*************************************************************************/
/** SEL Watch Functions **/
/*************************************************************************/
static uint16_t
selwatch_get_count(struct ipmi_intf * intf)
static int
selwatch_get_data(struct ipmi_intf * intf, struct sel_data *data)
{
struct ipmi_rs * rsp;
struct ipmi_rq req;
uint16_t freespace;
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_STORAGE;
@ -480,8 +505,17 @@ selwatch_get_count(struct ipmi_intf * intf)
return 0;
}
lprintf(LOG_DEBUG, "SEL count is %d", buf2short(rsp->data+1));
return buf2short(rsp->data+1);
freespace = buf2short(rsp->data + 3);
data->entries = buf2short(rsp->data + 1);
data->pctused = compute_pctfull (data->entries, freespace);
data->overflow = rsp->data[13] & 0x80;
lprintf(LOG_DEBUG, "SEL count is %d", data->entries);
lprintf(LOG_DEBUG, "SEL freespace is %d", freespace);
lprintf(LOG_DEBUG, "SEL Percent Used: %d%%\n", data->pctused);
lprintf(LOG_DEBUG, "SEL Overflow: %s", data->overflow ? "true" : "false");
return 1;
}
static uint16_t
@ -521,14 +555,29 @@ selwatch_get_lastid(struct ipmi_intf * intf)
static int
selwatch_setup(struct ipmi_event_intf * eintf)
{
/* save current sel record count */
selwatch_count = selwatch_get_count(eintf->intf);
lprintf(LOG_DEBUG, "Current SEL count is %d", selwatch_count);
struct sel_data data;
/* save current last record ID */
selwatch_lastid = selwatch_get_lastid(eintf->intf);
lprintf(LOG_DEBUG, "Current SEL lastid is %04x", selwatch_lastid);
/* save current sel record count */
if (selwatch_get_data(eintf->intf, &data)) {
selwatch_count = data.entries;
selwatch_pctused = data.pctused;
selwatch_overflow = data.overflow;
lprintf(LOG_DEBUG, "Current SEL count is %d", selwatch_count);
/* save current last record ID */
selwatch_lastid = selwatch_get_lastid(eintf->intf);
lprintf(LOG_DEBUG, "Current SEL lastid is %04x", selwatch_lastid);
/* display alert/warning immediatly as startup if relevant */
if (selwatch_pctused >= WARNING_THRESHOLD) {
lprintf(LOG_WARNING, "SEL buffer used at %d%%, please consider clearing the SEL buffer", selwatch_pctused);
}
if (selwatch_overflow) {
lprintf(LOG_ALERT, "SEL buffer overflow, no SEL message can be logged until the SEL buffer is cleared");
}
return 1;
}
lprintf(LOG_ERR, "Unable to retrieve SEL data");
return 0;
}
@ -541,13 +590,29 @@ static int
selwatch_check(struct ipmi_event_intf * eintf)
{
uint16_t old_count = selwatch_count;
selwatch_count = selwatch_get_count(eintf->intf);
if (selwatch_count == 0) {
lprintf(LOG_DEBUG, "SEL count is 0 (old=%d), resetting lastid to 0", old_count);
selwatch_lastid = 0;
} else if (selwatch_count < old_count) {
selwatch_lastid = selwatch_get_lastid(eintf->intf);
lprintf(LOG_DEBUG, "SEL count lowered, new SEL lastid is %04x", selwatch_lastid);
int old_pctused = selwatch_pctused;
int old_overflow = selwatch_overflow;
struct sel_data data;
if (selwatch_get_data(eintf->intf, &data)) {
selwatch_count = data.entries;
selwatch_pctused = data.pctused;
selwatch_overflow = data.overflow;
if (old_overflow && !selwatch_overflow) {
lprintf(LOG_NOTICE, "SEL overflow is cleared");
} else if (!old_overflow && selwatch_overflow) {
lprintf(LOG_ALERT, "SEL buffer overflow, no new SEL message will be logged until the SEL buffer is cleared");
}
if ((selwatch_pctused >= WARNING_THRESHOLD) && (selwatch_pctused > old_pctused)) {
lprintf(LOG_WARNING, "SEL buffer is %d%% full, please consider clearing the SEL buffer", selwatch_pctused);
}
if (selwatch_count == 0) {
lprintf(LOG_DEBUG, "SEL count is 0 (old=%d), resetting lastid to 0", old_count);
selwatch_lastid = 0;
} else if (selwatch_count < old_count) {
selwatch_lastid = selwatch_get_lastid(eintf->intf);
lprintf(LOG_DEBUG, "SEL count lowered, new SEL lastid is %04x", selwatch_lastid);
}
}
return (selwatch_count > old_count);
}