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/linux/Documentation/mm/damon/
H A Dmonitoring_intervals_tuning_example.rst38 frequency and the age of the region. If the access frequency is 0 %, the
45 0 addr 16.052 GiB size 5.985 GiB access 0 % age 5.900 s # coldest
46 1 addr 22.037 GiB size 6.029 GiB access 0 % age 5.300 s
47 2 addr 28.065 GiB size 6.045 GiB access 0 % age 5.200 s
48 3 addr 10.069 GiB size 5.983 GiB access 0 % age 4.500 s
49 4 addr 4.000 GiB size 6.069 GiB access 0 % age 4.400 s
50 5 addr 62.008 GiB size 3.992 GiB access 0 % age 3.700 s
51 6 addr 56.795 GiB size 5.213 GiB access 0 % age 3.300 s
52 7 addr 39.393 GiB size 6.096 GiB access 0 % age 2.800 s
53 8 addr 50.782 GiB size 6.012 GiB access 0 % age 2.80
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/linux/drivers/gpu/drm/i915/gt/
H A Dintel_gt_buffer_pool.c55 unsigned long age; in pool_free_older_than() local
59 age = READ_ONCE(node->age); in pool_free_older_than()
60 if (!age || jiffies - age < keep) in pool_free_older_than()
64 if (!xchg(&node->age, 0)) in pool_free_older_than()
115 GEM_BUG_ON(node->age); in pool_retire()
118 WRITE_ONCE(node->age, jiffies ?: 1); /* 0 reserved for active nodes */ in pool_retire()
151 node->age = 0; in node_create()
184 unsigned long age; in intel_gt_get_buffer_pool() local
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H A Dintel_gt_buffer_pool_types.h31 unsigned long age; member
/linux/include/trace/events/
H A Ddamon.h53 __field(unsigned int, age)
64 __entry->age = r->age;
72 __entry->nr_accesses, __entry->age)
105 __field(unsigned int, age)
114 __entry->age = r->age;
120 __entry->nr_accesses, __entry->age)
/linux/include/linux/
H A Dunicode.h21 static inline u8 unicode_major(unsigned int age) in unicode_major() argument
23 return (age >> UNICODE_MAJ_SHIFT) & 0xff; in unicode_major()
26 static inline u8 unicode_minor(unsigned int age) in unicode_minor() argument
28 return (age >> UNICODE_MIN_SHIFT) & 0xff; in unicode_minor()
31 static inline u8 unicode_rev(unsigned int age) in unicode_rev() argument
33 return age & 0xff; in unicode_rev()
/linux/Documentation/translations/zh_TW/admin-guide/mm/damon/
H A Dusage.rst75 │ │ │ │ │ │ │ │ age/min,max
81 │ │ │ │ │ │ │ │ 0/start,end,nr_accesses,age
227 在 ``access_pattern`` 目錄下，存在三個目錄（ ``sz``, ``nr_accesses``, 和 ``age`` ），
229 ``age`` 目錄下的 ``min`` 和 ``max`` 文件分別寫入和讀取來設置和獲取給定方案的訪問模式。
293 在每個區域目錄中，你會發現四個文件(``start``, ``end``, ``nr_accesses``, and ``age``)。
316 # echo 10 > access_pattern/age/min
317 # echo 20 > access_pattern/age/max
H A Dstart.rst122 $ echo "#min-size max-size min-acc max-acc min-age max-age action" > test_scheme
/linux/Documentation/translations/zh_CN/admin-guide/mm/damon/
H A Dusage.rst75 │ │ │ │ │ │ │ │ age/min,max
81 │ │ │ │ │ │ │ │ 0/start,end,nr_accesses,age
227 在 ``access_pattern`` 目录下，存在三个目录（ ``sz``, ``nr_accesses``, 和 ``age`` ），
229 ``age`` 目录下的 ``min`` 和 ``max`` 文件分别写入和读取来设置和获取给定方案的访问模式。
293 在每个区域目录中，你会发现四个文件(``start``, ``end``, ``nr_accesses``, and ``age``)。
316 # echo 10 > access_pattern/age/min
317 # echo 20 > access_pattern/age/max
H A Dstart.rst122 $ echo "#min-size max-size min-acc max-acc min-age max-age action" > test_scheme
/linux/fs/ubifs/
H A Dshrinker.c23 * The age of znodes is just the time-stamp when they were last looked at.
52 * @age: the age of znodes to free
56 * clean znodes which younger then @age. Returns number of freed znodes.
58 static int shrink_tnc(struct ubifs_info *c, int nr, int age, int *contention) in shrink_tnc() argument
73 * children are older or of the same age. in shrink_tnc()
110 abs(time - znode->time) >= age) { in shrink_tnc()
137 * @age: the age of znodes to free
141 * znodes which are older than @age, unti
144 shrink_tnc_trees(int nr,int age,int * contention) shrink_tnc_trees() argument
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/linux/scripts/gdb/linux/
H A Dslab.py119 age = jiffies - track['when']
132 loc['sum_time'] += age
133 loc['min_time'] = min(loc['min_time'], age)
134 loc['max_time'] = max(loc['max_time'], age)
142 'sum_time' : age,
143 'min_time' : age,
144 'max_time' : age,
218 gdb.write(" age=%d/%d/%d" % (loc['min_time'], loc['sum_time']/loc['count'], loc['max_time']))
220 gdb.write(" age=%d" % loc['min_time'])
/linux/tools/testing/selftests/bpf/progs/
H A Dbpf_qdisc_fq.c79 u64 age; member
213 /* flow->age is used to denote the state of the flow (not-detached, detached, throttled)
222 flow->age = bpf_jiffies64(); in fq_flow_set_detached()
227 return flow->age != 0 && flow->age != ~0ULL; in fq_flow_is_detached()
249 flow->age = 1, in fq_new_flow()
353 if ((s64)(jiffies - (flow_copy->age + q.flow_refill_delay)) > 0) { in BPF_PROG()
357 flow_copy->age = 0; in BPF_PROG()
421 flow->age = 0; in fq_unset_throttled_flows()
429 flow->age in fq_flow_set_throttled()
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/linux/drivers/infiniband/hw/hfi1/
H A Dtrace_ibhdrs.h86 u8 *age, bool *becn, bool *fecn,
92 u8 age, bool becn, bool fecn, u8 l4,
123 __field(u8, age)
160 &__entry->age,
226 __entry->age,
283 __field(u8, age)
320 &__entry->age,
390 __entry->age,
/linux/tools/testing/selftests/kvm/lib/
H A Dlru_gen_util.c128 char *gen, *age, *nr_anon, *nr_file; in memcg_stats_handle_in_node() local
155 age = split_next(&it); in memcg_stats_handle_in_node()
159 TEST_ASSERT(age && nr_anon && nr_file, in memcg_stats_handle_in_node()
165 gen_stats->age_ms = strtol(age, &end, 10); in memcg_stats_handle_in_node()
166 TEST_ASSERT(*end == '\0', "malformed generation age '%s'", age); in memcg_stats_handle_in_node()
/linux/fs/f2fs/
H A Dextent_cache.c77 unsigned long age, unsigned long last_blocks, in __set_extent_info() argument
91 ei->age = age; in __set_extent_info()
163 abs(back->age - front->age) <= SAME_AGE_REGION && in __is_extent_mergeable()
475 /* initialize block age cache */ in f2fs_init_extent_tree()
672 tei->age, tei->last_blocks); in __update_extent_tree_range()
727 dei.age, dei.last_blocks, in __update_extent_tree_range()
736 dei.age, dei.last_blocks, in __update_extent_tree_range()
800 tei->age, te in __update_extent_tree_range()
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H A Dgc.c365 unsigned char age = 0; in get_cb_cost() local
382 age = 100 - div64_u64(100 * (mtime - sit_i->min_mtime), in get_cb_cost()
385 return UINT_MAX - ((100 * (100 - u) * age) / (100 + u)); in get_cb_cost()
554 unsigned long long age, u, accu; in atgc_lookup_victim() local
585 /* age = 10000 * x% * 60 */ in atgc_lookup_victim()
586 age = div64_u64(accu * (max_mtime - ve->mtime), total_time) * in atgc_lookup_victim()
596 f2fs_bug_on(sbi, age + u >= UINT_MAX); in atgc_lookup_victim()
598 cost = UINT_MAX - (age + u); in atgc_lookup_victim()
602 (cost == p->min_cost && age > p->oldest_age)) { in atgc_lookup_victim()
604 p->oldest_age = age; in atgc_lookup_victim()
624 unsigned long long age; atssr_lookup_victim() local
770 f2fs_get_victim(struct f2fs_sb_info * sbi,unsigned int * result,int gc_type,int type,char alloc_mode,unsigned long long age,bool one_time) f2fs_get_victim() argument
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/linux/tools/testing/selftests/damon/
H A Ddamos_apply_interval.py22 # >= 25% access rate, >= 200ms age
23 nr_accesses=[5, 20], age=[2, 2**64 - 1]),
29 # >= 25% access rate, >= 200ms age
30 nr_accesses=[5, 20], age=[2, 2**64 - 1]),
H A D_damon_sysfs.py44 age = None variable in DamosAccessPattern
47 def __init__(self, size=None, nr_accesses=None, age=None): argument
50 self.age = age
56 if self.age is None:
57 self.age = [0, 2**32 - 1]
80 os.path.join(self.sysfs_dir(), 'age', 'min'), self.age[0])
84 os.path.join(self.sysfs_dir(), 'age', 'max'), self.age[
383 __init__(self, start, end, nr_accesses, age) global() argument
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H A Dsysfs.py107 assert_true(dump['min_age_region'] == pattern.age[0], 'min_age_region',
109 assert_true(dump['max_age_region'] == pattern.age[1], 'miaxage_region',
214 age=[5,71]),
/linux/drivers/scsi/
H A Dlibiscsi.c341 task->conn->session->age); in iscsi_prep_scsi_cmd_pdu()
787 task->conn->session->age); in iscsi_alloc_mgmt_task()
1178 * the LDD's itt space does not include the session age.
1368 int age = 0, i = 0; in iscsi_verify_itt() local
1374 session->tt->parse_pdu_itt(conn, itt, &i, &age); in iscsi_verify_itt()
1377 age = ((__force u32)itt >> ISCSI_AGE_SHIFT) & ISCSI_AGE_MASK; in iscsi_verify_itt()
1380 if (age != session->age) { in iscsi_verify_itt()
1382 "received itt %x expected session age (%x)\n", in iscsi_verify_itt()
1383 (__force u32)itt, session->age); in iscsi_verify_itt()
1915 iscsi_exec_task_mgmt_fn(struct iscsi_conn * conn,struct iscsi_tm * hdr,int age,int timeout) iscsi_exec_task_mgmt_fn() argument
2352 int age; iscsi_eh_abort() local
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/linux/mm/damon/
H A Dsysfs-schemes.c21 unsigned int age; member
37 sysfs_region->age = region->age; in damon_sysfs_scheme_region_alloc()
75 return sysfs_emit(buf, "%u\n", region->age); in age_show()
106 __ATTR_RO_MODE(age, 0400);
1290 unsigned int age; member
1294 unsigned int nr_accesses, unsigned int age) in damon_sysfs_weights_alloc() argument
1304 weights->age = age; in damon_sysfs_weights_alloc()
1352 return sysfs_emit(buf, "%u\n", weights->age); in age_permil_show()
1567 struct damon_sysfs_ul_range *age; global() member
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H A Dcore.c135 region->age = 0; in damon_new_region()
573 static unsigned int damon_age_for_new_attrs(unsigned int age, in damon_age_for_new_attrs() argument
576 return age * old_attrs->aggr_interval / new_attrs->aggr_interval; in damon_age_for_new_attrs()
628 r->age = damon_age_for_new_attrs(r->age, old_attrs, new_attrs); in damon_update_monitoring_result()
633 * aggregation interval that access to the region has found, and region->age is
637 * ->nr_accesses and ->age of given damon_ctx's regions for new damon_attrs.
1572 s->pattern.min_age_region <= r->age && in __damos_valid_target()
1573 r->age <= s->pattern.max_age_region; in __damos_valid_target()
1873 r->age in damos_apply_scheme()
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/linux/fs/unicode/
H A Dmkutf8data.c1621 /* Two trees per age: nfdi and nfdicf */ in trees_init()
1978 printf("%d age entries\n", ages_count); in age_init()
2309 unsigned int age; in corrections_init() local
2349 age = UNICODE_AGE(major, minor, revision); in corrections_init()
2350 corrections[count].correction = age; in corrections_init()
2799 * Maximum age of any character in s.
2806 int age = 0; in utf8agemax() local
2818 if (leaf_age <= tree->maxage && leaf_age > age) in utf8agemax()
2819 age = leaf_age; in utf8agemax()
2822 return age; in utf8agemax()
2833 int age; utf8agemin() local
2859 int age = 0; utf8nagemax() local
2887 int age; utf8nagemin() local
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/linux/drivers/md/dm-vdo/
H A Dblock-map.h375 * vdo_convert_maximum_age() - Convert the maximum age to reflect the new recovery journal format
376 * @age: The configured maximum age
378 * Return: The converted age
381 * made two entries. The old maximum age was half the usable journal length. In the new format,
383 * age so that the number of writes in a block map era is the same in the old and new formats. This
388 static inline block_count_t vdo_convert_maximum_age(block_count_t age) in vdo_convert_maximum_age() argument
390 return DIV_ROUND_UP(age * RECOVERY_JOURNAL_1_ENTRIES_PER_BLOCK, in vdo_convert_maximum_age()
/linux/mm/damon/tests/
H A Dcore-kunit.h347 r->age = 20; in damon_test_update_monitoring_result()
353 KUNIT_EXPECT_EQ(test, r->age, 2); in damon_test_update_monitoring_result()
359 KUNIT_EXPECT_EQ(test, r->age, 2); in damon_test_update_monitoring_result()
365 KUNIT_EXPECT_EQ(test, r->age, 20); in damon_test_update_monitoring_result()

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