* + mm-damon-dbgfs-support-watermarks.patch added to -mm tree
@ 2021-10-19 21:32 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2021-10-19 21:32 UTC (permalink / raw)
To: amit, benh, corbet, david, dwmw, elver, foersleo, gthelen,
Jonathan.Cameron, markubo, mm-commits, rientjes, shakeelb, shuah,
sj
The patch titled
Subject: mm/damon/dbgfs: support watermarks
has been added to the -mm tree. Its filename is
mm-damon-dbgfs-support-watermarks.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-damon-dbgfs-support-watermarks.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-damon-dbgfs-support-watermarks.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: mm/damon/dbgfs: support watermarks
This commit updates DAMON debugfs interface to support the watermarks
based schemes activation. For this, now 'schemes' file receives five more
values.
Link: https://lkml.kernel.org/r/20211019150731.16699-13-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Amit Shah <amit@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: David Woodhouse <dwmw@amazon.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Leonard Foerster <foersleo@amazon.de>
Cc: Marco Elver <elver@google.com>
Cc: Markus Boehme <markubo@amazon.de>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/damon/dbgfs.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
--- a/mm/damon/dbgfs.c~mm-damon-dbgfs-support-watermarks
+++ a/mm/damon/dbgfs.c
@@ -105,7 +105,7 @@ static ssize_t sprint_schemes(struct dam
damon_for_each_scheme(s, c) {
rc = scnprintf(&buf[written], len - written,
- "%lu %lu %u %u %u %u %d %lu %lu %lu %u %u %u %lu %lu\n",
+ "%lu %lu %u %u %u %u %d %lu %lu %lu %u %u %u %d %lu %lu %lu %lu %lu %lu\n",
s->min_sz_region, s->max_sz_region,
s->min_nr_accesses, s->max_nr_accesses,
s->min_age_region, s->max_age_region,
@@ -115,6 +115,8 @@ static ssize_t sprint_schemes(struct dam
s->quota.weight_sz,
s->quota.weight_nr_accesses,
s->quota.weight_age,
+ s->wmarks.metric, s->wmarks.interval,
+ s->wmarks.high, s->wmarks.mid, s->wmarks.low,
s->stat_count, s->stat_sz);
if (!rc)
return -ENOMEM;
@@ -195,18 +197,18 @@ static struct damos **str_to_schemes(con
*nr_schemes = 0;
while (pos < len && *nr_schemes < max_nr_schemes) {
struct damos_quota quota = {};
- struct damos_watermarks wmarks = {
- .metric = DAMOS_WMARK_NONE,
- };
+ struct damos_watermarks wmarks;
ret = sscanf(&str[pos],
- "%lu %lu %u %u %u %u %u %lu %lu %lu %u %u %u%n",
+ "%lu %lu %u %u %u %u %u %lu %lu %lu %u %u %u %u %lu %lu %lu %lu%n",
&min_sz, &max_sz, &min_nr_a, &max_nr_a,
&min_age, &max_age, &action, "a.ms,
"a.sz, "a.reset_interval,
"a.weight_sz, "a.weight_nr_accesses,
- "a.weight_age, &parsed);
- if (ret != 13)
+ "a.weight_age, &wmarks.metric,
+ &wmarks.interval, &wmarks.high, &wmarks.mid,
+ &wmarks.low, &parsed);
+ if (ret != 18)
break;
if (!damos_action_valid(action)) {
pr_err("wrong action %d\n", action);
_
Patches currently in -mm which might be from sj@kernel.org are
maintainers-update-seongjaes-email-address.patch
mm-damon-core-print-kdamond-start-log-in-debug-mode-only.patch
mm-damon-core-account-age-of-target-regions.patch
mm-damon-core-implement-damon-based-operation-schemes-damos.patch
mm-damon-vaddr-support-damon-based-operation-schemes.patch
mm-damon-dbgfs-support-damon-based-operation-schemes.patch
mm-damon-schemes-implement-statistics-feature.patch
selftests-damon-add-schemes-debugfs-tests.patch
docs-admin-guide-mm-damon-document-damon-based-operation-schemes.patch
mm-damon-dbgfs-allow-users-to-set-initial-monitoring-target-regions.patch
mm-damon-dbgfs-test-add-a-unit-test-case-for-init_regions.patch
docs-admin-guide-mm-damon-document-init_regions-feature.patch
mm-damon-vaddr-separate-commonly-usable-functions.patch
mm-damon-vaddr-separate-commonly-usable-functions-fix.patch
mm-damon-implement-primitives-for-physical-address-space-monitoring.patch
mm-damon-dbgfs-support-physical-memory-monitoring.patch
docs-damon-document-physical-memory-monitoring-support.patch
mm-damon-paddr-support-the-pageout-scheme.patch
mm-damon-schemes-implement-size-quota-for-schemes-application-speed-control.patch
mm-damon-schemes-skip-already-charged-targets-and-regions.patch
mm-damon-schemes-implement-time-quota.patch
mm-damon-dbgfs-support-quotas-of-schemes.patch
mm-damon-selftests-support-schemes-quotas.patch
mm-damon-schemes-prioritize-regions-within-the-quotas.patch
mm-damon-vaddrpaddr-support-pageout-prioritization.patch
mm-damon-dbgfs-support-prioritization-weights.patch
tools-selftests-damon-update-for-regions-prioritization-of-schemes.patch
mm-damon-schemes-activate-schemes-based-on-a-watermarks-mechanism.patch
mm-damon-dbgfs-support-watermarks.patch
selftests-damon-support-watermarks.patch
mm-damon-introduce-damon-based-reclamation-damon_reclaim.patch
documentation-admin-guide-mm-damon-add-a-document-for-damon_reclaim.patch
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2021-10-19 21:32 + mm-damon-dbgfs-support-watermarks.patch added to -mm tree akpm
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