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log: log-engine slight redesign

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The messages are filtered by their type

    LOG_MSG     - plain messages, they escape any (!) log level
                  filtration and go to stdout
    LOG_ERROR   - error messages
    LOG_WARN    - warning messages
    LOG_INFO    - informative messages
    LOG_DEBUG   - debug messages

By default the LOG_WARN log level is used, thus LOG_INFO
and LOG_DEBUG messages will not appear in output stream.

pr_panic helper was replaced with pr_err, pr_warning
shorthanded to pr_warn and old printk if rather pr_msg
now.

Because we share messages between "show" and "dump" actions,
before the "show" action proceed we need to tune up
log level and set it to LOG_INFO.

Also note that printing of VMA and siginfo now
became LOG_INFO messages, it was not that correct
to print them regardless the log level.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov
2012-03-01 18:52:42 +04:00
parent 9aa2252ca0
commit 7aa8e4b6e2
12 changed files with 159 additions and 144 deletions
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4
files.c
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@@ -81,7 +81,7 @@ static int collect_fd(int pid, struct fdinfo_entry *e)
nr_fdinfo_list++;
if ((nr_fdinfo_list) * sizeof(struct fdinfo_list_entry) >= 4096) {
pr_panic("OOM storing fdinfo_list_entries\n");
pr_err("OOM storing fdinfo_list_entries\n");
return -1;
}
@@ -108,7 +108,7 @@ static int collect_fd(int pid, struct fdinfo_entry *e)
}
if ((nr_fdinfo_descs + 1) * sizeof(struct fdinfo_desc) >= 4096) {
pr_panic("OOM storing fdinfo descriptions\n");
pr_err("OOM storing fdinfo descriptions\n");
return -1;
}