Hello Dave,
On s390 (kernel 4.2.0-rc2) the "RSS" field in "ps" is wrong.
The reason is that in rss_page_types_init() enumerator_value("MM_ANONPAGES",
&anonpages) returns zero for "anonpages" and therefore we add MM_FILEPAGES
twice instead of adding MM_ANONPAGES.
Example: Process that allocated 500 MB:
ps 2152
PID PPID CPU TASK ST %MEM VSZ RSS COMM
2152 1061 4 7aff0000 IN 0.0 514024 2236 eat_mem
crash> print/x ((struct task_struct *) 0x7aff0000)->mm->rss_stat
$1 = {
count = {{
counter = 0x113
}, {
counter = 0x1f414
}, {
counter = 0x0
}}
}
Any idea why enumerator_value() is not working?
Michael
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