| /Linux-v4.19/tools/testing/selftests/powerpc/pmu/ |
| D | count_instructions.c | 30 u64 overhead, bool report) in do_count_loop() argument
45 expected = instructions + overhead; in do_count_loop()
53 printf("Looped for %llu instructions, overhead %llu\n", instructions, overhead); in do_count_loop()
76 u64 current, overhead; in determine_overhead() local
80 overhead = events[0].result.value; in determine_overhead()
85 if (current < overhead) { in determine_overhead()
86 printf("Replacing overhead %llu with %llu\n", overhead, current); in determine_overhead()
87 overhead = current; in determine_overhead()
91 return overhead; in determine_overhead()
97 u64 overhead; in test_body() local
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| /Linux-v4.19/tools/testing/selftests/powerpc/pmu/ebb/ |
| D | instruction_count_test.c | 26 uint64_t overhead, bool report) in do_count_loop() argument
46 expected = instructions + overhead; in do_count_loop()
51 printf("Looped for %lu instructions, overhead %lu\n", instructions, overhead); in do_count_loop()
72 uint64_t current, overhead; in determine_overhead() local
76 overhead = event->result.value; in determine_overhead()
81 if (current < overhead) { in determine_overhead()
82 printf("Replacing overhead %lu with %lu\n", overhead, current); in determine_overhead()
83 overhead = current; in determine_overhead()
87 return overhead; in determine_overhead()
112 uint64_t overhead; in instruction_count() local
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| /Linux-v4.19/tools/perf/Documentation/ |
| D | callchain-overhead-calculation.txt | 3 The overhead can be shown in two columns as 'Children' and 'Self' when
4 perf collects callchains. The 'self' overhead is simply calculated by
7 'self' overhead values should be 100%.
9 The 'children' overhead is calculated by adding all period values of
10 the child functions so that it can show the total overhead of the
15 It might be confusing that the sum of all the 'children' overhead
17 'self' overhead of its child functions. But with this enabled, users
18 can find which function has the most overhead even if samples are
45 in the usual (self-overhead-only) output of perf report:
64 When the --children option is enabled, the 'self' overhead values of
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| D | perf-config.txt | 176 'top' means a overhead percentage which is more than 5%.
181 'medium' means a overhead percentage which has more than 0.5%.
184 'normal' means the rest of overhead percentages
332 But if this option is 'false', percent values for overhead are printed i.e.
344 This option control the way to calculate overhead of filtered entries -
354 This is an original overhead and we'll filter out the first 'foo'
355 entry. The value of 'relative' would increase the overhead of 'bar'
357 current overhead (33.33%).
381 flat and folded. This option controls a way to show overhead for each callchain
398 (meaning that it assumes 100% total overhead of 'foo').
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| D | perf-top.txt | 124 local_weight, abort, in_tx, transaction, overhead, sample, period.
130 overhead, overhead_sys, overhead_us, overhead_children, sample and period.
145 percentage of the overhead column. See --percentage for more info.
149 percentage of the overhead column. See --percentage for more info.
153 percentage of the overhead column. See --percentage for more info.
177 enabled. See the `overhead calculation' section for more details.
194 Do not show entries which have an overhead under that percent.
198 Determine how to display the overhead percentage of filtered entries.
290 include::callchain-overhead-calculation.txt[]
|
| D | perf-report.txt | 47 the overhead column. See --percentage for more info.
57 the overhead column. See --percentage for more info.
62 the overhead column. See --percentage for more info.
99 - overhead: Overhead percentage of sample
174 overhead, overhead_sys, overhead_us, overhead_children, sample and period.
218 - graph: use a graph tree, displaying absolute overhead rates. (default)
247 - percent: diplay overhead percent (default)
255 See the `overhead calculation' section for more details. Enabled by
379 Do not show entries which have an overhead under that percent.
386 Determine how to display the overhead percentage of filtered entries.
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| /Linux-v4.19/drivers/net/fddi/skfp/ |
| D | ess.c | 105 static int process_bw_alloc(struct s_smc *smc, long int payload, long int overhead);
124 u_long payload, overhead ; in ess_raf_received_pack() local
262 overhead = ((struct smt_p_3210 *)p)->mib_overhead ; in ess_raf_received_pack()
265 payload, overhead); in ess_raf_received_pack()
270 (void)process_bw_alloc(smc,(long)payload,(long)overhead) ; in ess_raf_received_pack()
313 overhead = ((struct smt_p_3210 *)p)->mib_overhead ; in ess_raf_received_pack()
318 payload, overhead); in ess_raf_received_pack()
323 if(!process_bw_alloc(smc,(long)payload,(long)overhead)) in ess_raf_received_pack()
380 static int process_bw_alloc(struct s_smc *smc, long int payload, long int overhead) in process_bw_alloc() argument
431 if (payload > MAX_PAYLOAD || overhead > 5000) { in process_bw_alloc()
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| /Linux-v4.19/drivers/net/wireless/ralink/rt2x00/ |
| D | rt2x00crypto.c | 79 unsigned int overhead = 0; in rt2x00crypto_tx_overhead() local
82 return overhead; in rt2x00crypto_tx_overhead()
89 overhead += key->icv_len; in rt2x00crypto_tx_overhead()
92 overhead += key->iv_len; in rt2x00crypto_tx_overhead()
96 overhead += 8; in rt2x00crypto_tx_overhead()
99 return overhead; in rt2x00crypto_tx_overhead()
|
| /Linux-v4.19/fs/freevxfs/ |
| D | vxfs_lookup.c | 108 int overhead = VXFS_DIRBLKOV(sbi, dbp); in vxfs_find_entry() local
110 pos += overhead; in vxfs_find_entry()
111 pg_ofs += overhead; in vxfs_find_entry()
259 int overhead = VXFS_DIRBLKOV(sbi, dbp); in vxfs_readdir() local
261 pos += overhead; in vxfs_readdir()
262 pg_ofs += overhead; in vxfs_readdir()
|
| /Linux-v4.19/net/sctp/ |
| D | output.c | 75 packet->size = packet->overhead; in sctp_packet_reset()
110 packet->overhead = sctp_mtu_payload(sp, 0, 0); in sctp_packet_config()
111 packet->size = packet->overhead; in sctp_packet_config()
165 packet->overhead = 0; in sctp_packet_init()
455 pkt_size = packet->overhead; in sctp_packet_pack()
462 else if (auth_len + padded + packet->overhead > in sctp_packet_pack()
472 skb_reserve(nskb, packet->overhead + MAX_HEADER); in sctp_packet_pack()
476 pkt_size -= packet->overhead; in sctp_packet_pack()
599 head = alloc_skb((gso ? packet->overhead : packet->size) + in sctp_packet_transmit()
603 skb_reserve(head, packet->overhead + MAX_HEADER); in sctp_packet_transmit()
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| /Linux-v4.19/net/l2tp/ |
| D | l2tp_eth.c | 226 unsigned int overhead = 0; in l2tp_eth_adjust_mtu() local
232 overhead += sizeof(struct udphdr); in l2tp_eth_adjust_mtu()
251 overhead += session->hdr_len + ETH_HLEN + l3_overhead; in l2tp_eth_adjust_mtu()
253 mtu = l2tp_tunnel_dst_mtu(tunnel) - overhead; in l2tp_eth_adjust_mtu()
255 dev->mtu = ETH_DATA_LEN - overhead; in l2tp_eth_adjust_mtu()
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| /Linux-v4.19/include/net/sctp/ |
| D | sctp.h | 592 __u32 overhead = sizeof(struct sctphdr) + extra; in sctp_mtu_payload() local
595 overhead += sp->pf->af->net_header_len; in sctp_mtu_payload()
597 overhead += sizeof(struct ipv6hdr); in sctp_mtu_payload()
599 if (WARN_ON_ONCE(mtu && mtu <= overhead)) in sctp_mtu_payload()
600 mtu = overhead; in sctp_mtu_payload()
602 return mtu ? mtu - overhead : overhead; in sctp_mtu_payload()
|
| /Linux-v4.19/fs/ext4/ |
| D | resize.c | 77 ext4_grpblk_t overhead; in ext4_group_overhead_blocks() local
78 overhead = ext4_bg_num_gdb(sb, group); in ext4_group_overhead_blocks()
80 overhead += 1 + in ext4_group_overhead_blocks()
82 return overhead; in ext4_group_overhead_blocks()
97 unsigned overhead; in verify_group_input() local
109 overhead = ext4_group_overhead_blocks(sb, group); in verify_group_input()
110 metaend = start + overhead; in verify_group_input()
112 input->blocks_count - 2 - overhead - sbi->s_itb_per_group; in verify_group_input()
262 unsigned overhead; in ext4_alloc_group_tables() local
280 overhead = ext4_group_overhead_blocks(sb, src_group); in ext4_alloc_group_tables()
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| /Linux-v4.19/mm/ |
| D | Kconfig.debug | 28 By default this option will have a small overhead, e.g. by not
30 architectures. Even bigger overhead comes when the debugging is
62 poison on free. This reduces some of the overhead of the
89 kernel code. However the runtime performance overhead is virtually
|
| /Linux-v4.19/Documentation/mmc/ |
| D | mmc-async-req.txt | 4 How significant is the cache maintenance overhead?
6 pre-fetch makes the cache overhead relatively significant. If the DMA
8 transfer, the DMA preparation overhead would not affect the MMC performance.
64 Pseudocode to handle is_first_req scenario with minimal prepare overhead:
|
| /Linux-v4.19/Documentation/virtual/ |
| D | paravirt_ops.txt | 22 known that the overhead of indirect call isn't very important.
26 are called frequently and are performance critical. The overhead is
|
| /Linux-v4.19/Documentation/usb/ |
| D | ohci.txt | 16 - improved robustness; bugfixes; and less overhead
26 to overhead in IRQ processing. When interrupt transfers are queued, those
|
| /Linux-v4.19/drivers/net/fddi/skfp/h/ |
| D | smt.h | 805 struct smt_p_3210 overhead ; /* current SBA overhead */ member
822 struct smt_p_3210 overhead ; /* current SBA overhead */ member
838 struct smt_p_3210 overhead ; /* current SBA overhead */ member
860 struct smt_p_3210 overhead ; /* current SBA overhead */ member
|
| /Linux-v4.19/fs/fscache/ |
| D | Kconfig | 21 The gathering of statistics adds a certain amount of overhead to
38 The generation of this histogram adds a certain amount of overhead to
|
| /Linux-v4.19/Documentation/netlabel/ |
| D | lsm_interface.txt | 40 sidestep much of this overhead once a mapping has been established. Once the
47 bypassed as well which should result in a significant reduction in overhead.
|
| /Linux-v4.19/net/mac80211/ |
| D | rc80211_minstrel_ht.c | 312 nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len); in minstrel_ht_get_tp_avg()
773 unsigned int overhead = 0, overhead_rtscts = 0; in minstrel_calc_retransmit() local
796 overhead = mi->overhead; in minstrel_calc_retransmit()
801 tx_time = ctime + 2 * (overhead + tx_time_data); in minstrel_calc_retransmit()
811 tx_time += ctime + overhead + tx_time_data; in minstrel_calc_retransmit()
1162 mi->overhead = ieee80211_frame_duration(sband->band, 0, 60, 1, 1, 0); in minstrel_ht_update_caps()
1163 mi->overhead += ack_dur; in minstrel_ht_update_caps()
1164 mi->overhead_rtscts = mi->overhead + 2 * ack_dur; in minstrel_ht_update_caps()
|
| D | rc80211_minstrel_ht.h | 81 unsigned int overhead; member
|
| /Linux-v4.19/drivers/gpu/drm/amd/lib/ |
| D | Kconfig | 11 memory and CPU overhead.
|
| /Linux-v4.19/kernel/trace/ |
| D | Kconfig | 88 Adds a very slight overhead to tracing when enabled.
155 (the bootup default), then the overhead of the instructions is very
208 (Note that kernel size and overhead increase with this option
233 (Note that kernel size and overhead increase with this option
323 When this is enabled, this adds a little more overhead to the
328 and already adds the overhead (plus a lot more).
348 Either of the above profilers adds a bit of overhead to the system.
354 No branch profiling. Branch profiling adds a bit of overhead.
367 Note: this will add a significant overhead; only turn this
382 This configuration, when enabled, will impose a great overhead
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| /Linux-v4.19/include/net/ |
| D | sch_generic.h | 1047 int slot = pktlen + rtab->rate.cell_align + rtab->rate.overhead; in qdisc_l2t()
1059 u16 overhead; member
1067 len += r->overhead; in psched_l2t_ns()
1090 res->overhead = r->overhead; in psched_ratecfg_getrate()
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