Re: [PATCH] mm/damon: Add option to monitor only writes
From: kernel test robot
Date: Thu Feb 03 2022 - 20:31:52 EST
Hi Pedro,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on hnaz-mm/master]
url: https://github.com/0day-ci/linux/commits/Pedro-Demarchi-Gomes/mm-damon-Add-option-to-monitor-only-writes/20220203-211407
base: https://github.com/hnaz/linux-mm master
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220204/202202040626.isVzU9Xl-lkp@xxxxxxxxx/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/0958bb7e2514b62f174b8e5ccfdcff07ce2a2b6b
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Pedro-Demarchi-Gomes/mm-damon-Add-option-to-monitor-only-writes/20220203-211407
git checkout 0958bb7e2514b62f174b8e5ccfdcff07ce2a2b6b
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
In file included from mm/damon/core.c:1123:
mm/damon/core-test.h: In function 'damon_test_merge_two':
>> mm/damon/core-test.h:154:33: error: passing argument 1 of 'damon_merge_two_regions' from incompatible pointer type [-Werror=incompatible-pointer-types]
154 | damon_merge_two_regions(t, r, r2);
| ^
| |
| struct damon_target *
mm/damon/core.c:761:55: note: expected 'struct damon_ctx *' but argument is of type 'struct damon_target *'
761 | static void damon_merge_two_regions(struct damon_ctx *c, struct damon_target *t,
| ~~~~~~~~~~~~~~~~~~^
In file included from mm/damon/core.c:1123:
mm/damon/core-test.h:154:36: error: passing argument 2 of 'damon_merge_two_regions' from incompatible pointer type [-Werror=incompatible-pointer-types]
154 | damon_merge_two_regions(t, r, r2);
| ^
| |
| struct damon_region *
mm/damon/core.c:761:79: note: expected 'struct damon_target *' but argument is of type 'struct damon_region *'
761 | static void damon_merge_two_regions(struct damon_ctx *c, struct damon_target *t,
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from mm/damon/core.c:1123:
>> mm/damon/core-test.h:154:9: error: too few arguments to function 'damon_merge_two_regions'
154 | damon_merge_two_regions(t, r, r2);
| ^~~~~~~~~~~~~~~~~~~~~~~
mm/damon/core.c:761:13: note: declared here
761 | static void damon_merge_two_regions(struct damon_ctx *c, struct damon_target *t,
| ^~~~~~~~~~~~~~~~~~~~~~~
In file included from mm/damon/core.c:1123:
mm/damon/core-test.h: In function 'damon_test_merge_regions_of':
>> mm/damon/core-test.h:201:32: error: passing argument 1 of 'damon_merge_regions_of' from incompatible pointer type [-Werror=incompatible-pointer-types]
201 | damon_merge_regions_of(t, 9, 9999);
| ^
| |
| struct damon_target *
mm/damon/core.c:787:54: note: expected 'struct damon_ctx *' but argument is of type 'struct damon_target *'
787 | static void damon_merge_regions_of(struct damon_ctx *c, struct damon_target *t, unsigned int thres,
| ~~~~~~~~~~~~~~~~~~^
In file included from mm/damon/core.c:1123:
mm/damon/core-test.h:201:35: warning: passing argument 2 of 'damon_merge_regions_of' makes pointer from integer without a cast [-Wint-conversion]
201 | damon_merge_regions_of(t, 9, 9999);
| ^
| |
| int
mm/damon/core.c:787:78: note: expected 'struct damon_target *' but argument is of type 'int'
787 | static void damon_merge_regions_of(struct damon_ctx *c, struct damon_target *t, unsigned int thres,
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from mm/damon/core.c:1123:
>> mm/damon/core-test.h:201:9: error: too few arguments to function 'damon_merge_regions_of'
201 | damon_merge_regions_of(t, 9, 9999);
| ^~~~~~~~~~~~~~~~~~~~~~
mm/damon/core.c:787:13: note: declared here
787 | static void damon_merge_regions_of(struct damon_ctx *c, struct damon_target *t, unsigned int thres,
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/perf_event.h:25,
from include/linux/trace_events.h:10,
from include/trace/trace_events.h:21,
from include/trace/define_trace.h:102,
from include/trace/events/damon.h:43,
from mm/damon/core.c:19:
At top level:
arch/arc/include/asm/perf_event.h:126:27: warning: 'arc_pmu_cache_map' defined but not used [-Wunused-const-variable=]
126 | static const unsigned int arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
| ^~~~~~~~~~~~~~~~~
arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined but not used [-Wunused-const-variable=]
91 | static const char * const arc_pmu_ev_hw_map[] = {
| ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/damon_merge_two_regions +154 mm/damon/core-test.h
17ccae8bb5c928 SeongJae Park 2021-09-07 139
17ccae8bb5c928 SeongJae Park 2021-09-07 140 static void damon_test_merge_two(struct kunit *test)
17ccae8bb5c928 SeongJae Park 2021-09-07 141 {
17ccae8bb5c928 SeongJae Park 2021-09-07 142 struct damon_target *t;
17ccae8bb5c928 SeongJae Park 2021-09-07 143 struct damon_region *r, *r2, *r3;
17ccae8bb5c928 SeongJae Park 2021-09-07 144 int i;
17ccae8bb5c928 SeongJae Park 2021-09-07 145
17ccae8bb5c928 SeongJae Park 2021-09-07 146 t = damon_new_target(42);
17ccae8bb5c928 SeongJae Park 2021-09-07 147 r = damon_new_region(0, 100);
17ccae8bb5c928 SeongJae Park 2021-09-07 148 r->nr_accesses = 10;
17ccae8bb5c928 SeongJae Park 2021-09-07 149 damon_add_region(r, t);
17ccae8bb5c928 SeongJae Park 2021-09-07 150 r2 = damon_new_region(100, 300);
17ccae8bb5c928 SeongJae Park 2021-09-07 151 r2->nr_accesses = 20;
17ccae8bb5c928 SeongJae Park 2021-09-07 152 damon_add_region(r2, t);
17ccae8bb5c928 SeongJae Park 2021-09-07 153
17ccae8bb5c928 SeongJae Park 2021-09-07 @154 damon_merge_two_regions(t, r, r2);
17ccae8bb5c928 SeongJae Park 2021-09-07 155 KUNIT_EXPECT_EQ(test, r->ar.start, 0ul);
17ccae8bb5c928 SeongJae Park 2021-09-07 156 KUNIT_EXPECT_EQ(test, r->ar.end, 300ul);
17ccae8bb5c928 SeongJae Park 2021-09-07 157 KUNIT_EXPECT_EQ(test, r->nr_accesses, 16u);
17ccae8bb5c928 SeongJae Park 2021-09-07 158
17ccae8bb5c928 SeongJae Park 2021-09-07 159 i = 0;
17ccae8bb5c928 SeongJae Park 2021-09-07 160 damon_for_each_region(r3, t) {
17ccae8bb5c928 SeongJae Park 2021-09-07 161 KUNIT_EXPECT_PTR_EQ(test, r, r3);
17ccae8bb5c928 SeongJae Park 2021-09-07 162 i++;
17ccae8bb5c928 SeongJae Park 2021-09-07 163 }
17ccae8bb5c928 SeongJae Park 2021-09-07 164 KUNIT_EXPECT_EQ(test, i, 1);
17ccae8bb5c928 SeongJae Park 2021-09-07 165
17ccae8bb5c928 SeongJae Park 2021-09-07 166 damon_free_target(t);
17ccae8bb5c928 SeongJae Park 2021-09-07 167 }
17ccae8bb5c928 SeongJae Park 2021-09-07 168
17ccae8bb5c928 SeongJae Park 2021-09-07 169 static struct damon_region *__nth_region_of(struct damon_target *t, int idx)
17ccae8bb5c928 SeongJae Park 2021-09-07 170 {
17ccae8bb5c928 SeongJae Park 2021-09-07 171 struct damon_region *r;
17ccae8bb5c928 SeongJae Park 2021-09-07 172 unsigned int i = 0;
17ccae8bb5c928 SeongJae Park 2021-09-07 173
17ccae8bb5c928 SeongJae Park 2021-09-07 174 damon_for_each_region(r, t) {
17ccae8bb5c928 SeongJae Park 2021-09-07 175 if (i++ == idx)
17ccae8bb5c928 SeongJae Park 2021-09-07 176 return r;
17ccae8bb5c928 SeongJae Park 2021-09-07 177 }
17ccae8bb5c928 SeongJae Park 2021-09-07 178
17ccae8bb5c928 SeongJae Park 2021-09-07 179 return NULL;
17ccae8bb5c928 SeongJae Park 2021-09-07 180 }
17ccae8bb5c928 SeongJae Park 2021-09-07 181
17ccae8bb5c928 SeongJae Park 2021-09-07 182 static void damon_test_merge_regions_of(struct kunit *test)
17ccae8bb5c928 SeongJae Park 2021-09-07 183 {
17ccae8bb5c928 SeongJae Park 2021-09-07 184 struct damon_target *t;
17ccae8bb5c928 SeongJae Park 2021-09-07 185 struct damon_region *r;
17ccae8bb5c928 SeongJae Park 2021-09-07 186 unsigned long sa[] = {0, 100, 114, 122, 130, 156, 170, 184};
17ccae8bb5c928 SeongJae Park 2021-09-07 187 unsigned long ea[] = {100, 112, 122, 130, 156, 170, 184, 230};
17ccae8bb5c928 SeongJae Park 2021-09-07 188 unsigned int nrs[] = {0, 0, 10, 10, 20, 30, 1, 2};
17ccae8bb5c928 SeongJae Park 2021-09-07 189
17ccae8bb5c928 SeongJae Park 2021-09-07 190 unsigned long saddrs[] = {0, 114, 130, 156, 170};
17ccae8bb5c928 SeongJae Park 2021-09-07 191 unsigned long eaddrs[] = {112, 130, 156, 170, 230};
17ccae8bb5c928 SeongJae Park 2021-09-07 192 int i;
17ccae8bb5c928 SeongJae Park 2021-09-07 193
17ccae8bb5c928 SeongJae Park 2021-09-07 194 t = damon_new_target(42);
17ccae8bb5c928 SeongJae Park 2021-09-07 195 for (i = 0; i < ARRAY_SIZE(sa); i++) {
17ccae8bb5c928 SeongJae Park 2021-09-07 196 r = damon_new_region(sa[i], ea[i]);
17ccae8bb5c928 SeongJae Park 2021-09-07 197 r->nr_accesses = nrs[i];
17ccae8bb5c928 SeongJae Park 2021-09-07 198 damon_add_region(r, t);
17ccae8bb5c928 SeongJae Park 2021-09-07 199 }
17ccae8bb5c928 SeongJae Park 2021-09-07 200
17ccae8bb5c928 SeongJae Park 2021-09-07 @201 damon_merge_regions_of(t, 9, 9999);
17ccae8bb5c928 SeongJae Park 2021-09-07 202 /* 0-112, 114-130, 130-156, 156-170 */
17ccae8bb5c928 SeongJae Park 2021-09-07 203 KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 5u);
17ccae8bb5c928 SeongJae Park 2021-09-07 204 for (i = 0; i < 5; i++) {
17ccae8bb5c928 SeongJae Park 2021-09-07 205 r = __nth_region_of(t, i);
17ccae8bb5c928 SeongJae Park 2021-09-07 206 KUNIT_EXPECT_EQ(test, r->ar.start, saddrs[i]);
17ccae8bb5c928 SeongJae Park 2021-09-07 207 KUNIT_EXPECT_EQ(test, r->ar.end, eaddrs[i]);
17ccae8bb5c928 SeongJae Park 2021-09-07 208 }
17ccae8bb5c928 SeongJae Park 2021-09-07 209 damon_free_target(t);
17ccae8bb5c928 SeongJae Park 2021-09-07 210 }
17ccae8bb5c928 SeongJae Park 2021-09-07 211
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