Re: [PATCH] mm: add alloc_contig_migrate_range allocation statistics

2024-02-26 Thread Steven Rostedt
On Mon, 26 Feb 2024 12:06:29 -0500 Steven Rostedt wrote: > On Mon, 26 Feb 2024 10:00:15 + > Richard Chang wrote: > > > alloc_contig_migrate_range has every information to be able to > > understand big contiguous allocation latency. For example, how many > > pages are migrated, how many time

Re: [PATCH] mm: add alloc_contig_migrate_range allocation statistics

2024-02-26 Thread Steven Rostedt
On Mon, 26 Feb 2024 10:00:15 + Richard Chang wrote: > alloc_contig_migrate_range has every information to be able to > understand big contiguous allocation latency. For example, how many > pages are migrated, how many times they were needed to unmap from > page tables. > > This patch adds th

[PATCH] mm: add alloc_contig_migrate_range allocation statistics

2024-02-26 Thread Richard Chang
alloc_contig_migrate_range has every information to be able to understand big contiguous allocation latency. For example, how many pages are migrated, how many times they were needed to unmap from page tables. This patch adds the trace event to collect the allocation statistics. In the field, it w