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Some user want to execute customuze script when ras event occurs, add one mc trigger for mc_event. Signed-off-by: Ruidong Tian <tianruidong@linux.alibaba.com>
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Ruidong Tian
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Jan 22, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| #!/bin/sh | ||
| # This shell script can be executed by rasdaemon in daemon mode when a | ||
| # mc_event is occured, environment variables include all information | ||
| # reported by tracepoint. | ||
| # | ||
| # environment: | ||
| # TIMESTAMP Timestamp when error occurred | ||
| # COUNT Number of errors of the same type | ||
| # TYPE Error type from Corrected/Uncorrected | ||
| # MESSAGE Error message | ||
| # LABEL Label of the affected DIMM(s) | ||
| # MC_INDEX DIMM identifier from DMI/SMBIOS if available | ||
| # TOP_LAYER Top layer of the error | ||
| # MIDDLE_LAYER Middle layer of the error | ||
| # LOWER_LAYER Low layer of the error | ||
| # ADDRESS Error address | ||
| # GRAIN Minimum granularity for an error report, in bytes | ||
| # SYNDROME Syndrome of the error (or 0 if unknown or if the syndrome is not applicable) | ||
| # DRIVER_DETAIL Other driver-specific detail about the error | ||
| # | ||
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| [ -x ./mc_event_trigger.local ] && . ./mc_event_trigger.local | ||
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| exit 0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| #define _GNU_SOURCE | ||
| #include <stdio.h> | ||
| #include <unistd.h> | ||
| #include <stdlib.h> | ||
| #include <sys/wait.h> | ||
| #include "ras-logger.h" | ||
| #include "trigger.h" | ||
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| void run_trigger(const char *trigger, char *argv[], char **env, const char* reporter) | ||
| { | ||
| pid_t child; | ||
| char *path; | ||
| int status; | ||
| char *trigger_dir = getenv("TRIGGER_DIR"); | ||
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| log(SYSLOG, LOG_INFO, "Running trigger `%s' (reporter: %s)\n", trigger, reporter); | ||
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| if (asprintf(&path, "%s/%s", trigger_dir, trigger) < 0) | ||
| return; | ||
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| child = fork(); | ||
| if (child < 0) { | ||
| log(SYSLOG, LOG_ERR, "Cannot create process for trigger"); | ||
| return; | ||
| } | ||
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| if (child == 0) { | ||
| execve(path, argv, env); | ||
| _exit(127); | ||
| } else { | ||
| waitpid(child, &status, 0); | ||
| if (WIFEXITED(status) && WEXITSTATUS(status)) { | ||
| log(SYSLOG, LOG_INFO, "Trigger %s exited with status %d", | ||
| trigger, WEXITSTATUS(status)); | ||
| } else if (WIFSIGNALED(status)) { | ||
| log(SYSLOG, LOG_INFO, "Trigger %s killed by signal %d", | ||
| trigger, WTERMSIG(status)); | ||
| } | ||
| } | ||
| } | ||
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| int trigger_check(char *s) | ||
| { | ||
| char *name; | ||
| int rc; | ||
| char *trigger_dir = getenv("TRIGGER_DIR"); | ||
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| if (trigger_dir) { | ||
| if (asprintf(&name, "%s/%s", trigger_dir, s) < 0) | ||
| return -1; | ||
| } else | ||
| name = s; | ||
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| rc = access(name, R_OK|X_OK); | ||
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| if (trigger_dir) | ||
| free(name); | ||
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| return rc; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| #ifndef __TRIGGER_H__ | ||
| #define __TRIGGER_H__ | ||
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| struct event_trigger { | ||
| const char *name; | ||
| void (*setup)(void); | ||
| }; | ||
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| int trigger_check(char *s); | ||
| void run_trigger(const char *trigger, char *argv[], char **env, const char* reporter); | ||
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| #endif |