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/openbmc/linux/lib/dim/
H A Drdma_dim.c6 #include <linux/dim.h>
8 static int rdma_dim_step(struct dim *dim) in rdma_dim_step() argument
10 if (dim->tune_state == DIM_GOING_RIGHT) { in rdma_dim_step()
11 if (dim->profile_ix == (RDMA_DIM_PARAMS_NUM_PROFILES - 1)) in rdma_dim_step()
13 dim->profile_ix++; in rdma_dim_step()
14 dim->steps_right++; in rdma_dim_step()
16 if (dim->tune_state == DIM_GOING_LEFT) { in rdma_dim_step()
17 if (dim->profile_ix == 0) in rdma_dim_step()
19 dim->profile_ix--; in rdma_dim_step()
20 dim->steps_left++; in rdma_dim_step()
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H A Dnet_dim.c6 #include <linux/dim.h>
9 * Net DIM profiles:
104 static int net_dim_step(struct dim *dim) in net_dim_step() argument
106 if (dim->tired == (NET_DIM_PARAMS_NUM_PROFILES * 2)) in net_dim_step()
109 switch (dim->tune_state) { in net_dim_step()
114 if (dim->profile_ix == (NET_DIM_PARAMS_NUM_PROFILES - 1)) in net_dim_step()
116 dim->profile_ix++; in net_dim_step()
117 dim->steps_right++; in net_dim_step()
120 if (dim->profile_ix == 0) in net_dim_step()
122 dim->profile_ix--; in net_dim_step()
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H A Ddim.c6 #include <linux/dim.h>
8 bool dim_on_top(struct dim *dim) in dim_on_top() argument
10 switch (dim->tune_state) { in dim_on_top()
15 return (dim->steps_left > 1) && (dim->steps_right == 1); in dim_on_top()
17 return (dim->steps_right > 1) && (dim->steps_left == 1); in dim_on_top()
22 void dim_turn(struct dim *dim) in dim_turn() argument
24 switch (dim->tune_state) { in dim_turn()
29 dim->tune_state = DIM_GOING_LEFT; in dim_turn()
30 dim->steps_left = 0; in dim_turn()
33 dim->tune_state = DIM_GOING_RIGHT; in dim_turn()
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H A DMakefile2 # DIM Dynamic Interrupt Moderation library
5 obj-$(CONFIG_DIMLIB) += dim.o
7 dim-y := dim.o net_dim.o rdma_dim.o
/openbmc/linux/Documentation/networking/
H A Dnet_dim.rst2 Net DIM - Generic Network Dynamic Interrupt Moderation
19 Dynamic Interrupt Moderation (DIM) (in networking) refers to changing the
23 runtime data sampled from the system. Net DIM is such a mechanism. In each
28 samples is also measured. Net DIM compares the current and the previous data and
32 number of wanted packets per event. The Net DIM algorithm ascribes importance to
36 Net DIM Algorithm
39 Each iteration of the Net DIM algorithm follows these steps:
47 supplied by the driver registered to Net DIM. The previous data is the new data
58 certain percentage. Also, since Net DIM does not measure anything by itself, it
75 the Net DIM API and provided by the registered driver.
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/openbmc/linux/include/linux/
H A Ddim.h14 * Number of events between DIM iterations.
35 * Used for communications between DIM and its consumer.
37 * @usec: CQ timer suggestion (by DIM)
38 * @pkts: CQ packet counter suggestion (by DIM)
50 * struct dim_sample - Structure for DIM sample data.
51 * Used for communications between DIM and its consumer.
68 * struct dim_stats - Structure for DIM stats.
86 * struct dim - Main structure for dynamic interrupt moderation (DIM).
87 * Used for holding all information about a specific DIM instance.
94 * @priv: A pointer to the struct that points to dim
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/openbmc/linux/drivers/net/ethernet/intel/ice/
H A Dice_trace.h62 /* Events related to DIM, q_vectors and ring containers */
64 TP_PROTO(struct ice_q_vector *q_vector, struct dim *dim),
65 TP_ARGS(q_vector, dim),
67 __field(struct dim *, dim)
71 __entry->dim = dim;
74 …TP_printk("netdev: %s Rx-Q: %d dim-state: %d dim-profile: %d dim-tune: %d dim-st-right: %d dim-st-…
77 __entry->dim->state,
78 __entry->dim->profile_ix,
79 __entry->dim->tune_state,
80 __entry->dim->steps_right,
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/openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/
H A Den_dim.c33 #include <linux/dim.h>
37 mlx5e_complete_dim_work(struct dim *dim, struct dim_cq_moder moder, in mlx5e_complete_dim_work() argument
41 dim->state = DIM_START_MEASURE; in mlx5e_complete_dim_work()
46 struct dim *dim = container_of(work, struct dim, work); in mlx5e_rx_dim_work() local
47 struct mlx5e_rq *rq = container_of(dim, struct mlx5e_rq, dim); in mlx5e_rx_dim_work()
49 net_dim_get_rx_moderation(dim->mode, dim->profile_ix); in mlx5e_rx_dim_work()
51 mlx5e_complete_dim_work(dim, cur_moder, rq->mdev, &rq->cq.mcq); in mlx5e_rx_dim_work()
56 struct dim *dim = container_of(work, struct dim, work); in mlx5e_tx_dim_work() local
57 struct mlx5e_txqsq *sq = container_of(dim, struct mlx5e_txqsq, dim); in mlx5e_tx_dim_work()
59 net_dim_get_tx_moderation(dim->mode, dim->profile_ix); in mlx5e_tx_dim_work()
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/openbmc/linux/drivers/net/ethernet/broadcom/bnxt/
H A Dbnxt_debugfs.c14 #include <linux/dim.h>
24 struct dim *dim = filep->private_data; in debugfs_dim_read() local
30 if (!dim) in debugfs_dim_read()
40 dim->state, in debugfs_dim_read()
41 dim->profile_ix, in debugfs_dim_read()
42 dim->mode, in debugfs_dim_read()
43 dim->tune_state, in debugfs_dim_read()
44 dim->steps_right, in debugfs_dim_read()
45 dim->steps_left, in debugfs_dim_read()
46 dim->tired); in debugfs_dim_read()
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H A Dbnxt_dim.c10 #include <linux/dim.h>
16 struct dim *dim = container_of(work, struct dim, work); in bnxt_dim_work() local
17 struct bnxt_cp_ring_info *cpr = container_of(dim, in bnxt_dim_work()
19 dim); in bnxt_dim_work()
24 net_dim_get_rx_moderation(dim->mode, dim->profile_ix); in bnxt_dim_work()
30 dim->state = DIM_START_MEASURE; in bnxt_dim_work()
/openbmc/linux/drivers/infiniband/core/
H A Dcq.c41 struct dim *dim = container_of(w, struct dim, work); in ib_cq_rdma_dim_work() local
42 struct ib_cq *cq = dim->priv; in ib_cq_rdma_dim_work()
44 u16 usec = rdma_dim_prof[dim->profile_ix].usec; in ib_cq_rdma_dim_work()
45 u16 comps = rdma_dim_prof[dim->profile_ix].comps; in ib_cq_rdma_dim_work()
47 dim->state = DIM_START_MEASURE; in ib_cq_rdma_dim_work()
55 struct dim *dim; in rdma_dim_init() local
61 dim = kzalloc(sizeof(struct dim), GFP_KERNEL); in rdma_dim_init()
62 if (!dim) in rdma_dim_init()
65 dim->state = DIM_START_MEASURE; in rdma_dim_init()
66 dim->tune_state = DIM_GOING_RIGHT; in rdma_dim_init()
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/openbmc/linux/drivers/leds/
H A Dleds-aw200xx.c77 /* DIM current configuration register on page 1 */
82 * DIM current configuration register (page 4).
83 * The even address for current DIM configuration.
108 int dim; member
127 int dim = led->dim; in dim_show() local
129 if (dim < 0) in dim_show()
132 return sysfs_emit(buf, "%d\n", dim); in dim_show()
142 int dim; in dim_store() local
146 dim = -1; in dim_store()
148 ret = kstrtoint(buf, 0, &dim); in dim_store()
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H A Dleds-lp3944.c12 * This helper chip can drive up to 8 leds, with two programmable DIM modes;
16 * The DIM modes are used to set _blink_ patterns for leds, the pattern is
95 * lp3944_dim_set_period() - Set the period for DIM status
98 * @dim: either LP3944_DIM0 or LP3944_DIM1
101 static int lp3944_dim_set_period(struct i2c_client *client, u8 dim, u16 period) in lp3944_dim_set_period() argument
107 if (dim == LP3944_DIM0) in lp3944_dim_set_period()
109 else if (dim == LP3944_DIM1) in lp3944_dim_set_period()
126 * lp3944_dim_set_dutycycle - Set the duty cycle for DIM status
129 * @dim: either LP3944_DIM0 or LP3944_DIM1
132 static int lp3944_dim_set_dutycycle(struct i2c_client *client, u8 dim, in lp3944_dim_set_dutycycle() argument
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/openbmc/qemu/scripts/simplebench/
H A Dresults_to_text.py49 dim = None
53 if dim is None:
54 dim = res['dimension']
56 assert dim == res['dimension']
58 assert dim in ('iops', 'seconds')
60 return dim
67 dim = results_dimension(results)
114 return f'All results are in {dim}\n\n' + tabulate.tabulate(tab)
H A Dsimplebench.py88 dim = 'iops'
92 dim = 'seconds'
93 result['dimension'] = dim
94 result['average'] = statistics.mean(r[dim] for r in succeeded)
98 result['stdev'] = statistics.stdev(r[dim] for r in succeeded)
/openbmc/linux/net/netfilter/
H A Dxt_set.c41 .dim = d, \
58 ADT_OPT(opt, xt_family(par), info->match_set.u.compat.dim, in set_match_v0()
72 info->u.compat.dim = IPSET_DIM_ZERO; in compat_flags()
76 info->u.compat.dim++; in compat_flags()
78 info->u.compat.flags |= (1 << info->u.compat.dim); in compat_flags()
122 ADT_OPT(opt, xt_family(par), info->match_set.dim, in set_match_v1()
146 if (info->match_set.dim > IPSET_DIM_MAX) { in set_match_v1_checkentry()
170 ADT_OPT(opt, xt_family(par), info->match_set.dim, in set_match_v3()
193 ADT_OPT(opt, xt_family(par), info->match_set.dim, in set_match_v4()
216 ADT_OPT(add_opt, xt_family(par), info->add_set.u.compat.dim, in set_target_v0()
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/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-class-led-driver-aw200xx1 What: /sys/class/leds/<led>/dim
3 Description: 64-level DIM current. If you write a negative value or
4 "auto", the dim will be calculated according to the
/openbmc/linux/tools/perf/util/
H A Dsort.c2156 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) } macro
2159 DIM(SORT_PID, "pid", sort_thread),
2160 DIM(SORT_COMM, "comm", sort_comm),
2161 DIM(SORT_DSO, "dso", sort_dso),
2162 DIM(SORT_SYM, "symbol", sort_sym),
2163 DIM(SORT_PARENT, "parent", sort_parent),
2164 DIM(SORT_CPU, "cpu", sort_cpu),
2165 DIM(SORT_SOCKET, "socket", sort_socket),
2166 DIM(SORT_SRCLINE, "srcline", sort_srcline),
2167 DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
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/openbmc/linux/drivers/staging/media/atomisp/pci/isp/kernels/sdis/sdis_1.0/
H A Dia_css_sdis.host.c139 hor_num_3a = dvs_binary->dis.coef.dim.width; in ia_css_get_isp_dis_coefficients()
140 ver_num_3a = dvs_binary->dis.coef.dim.height; in ia_css_get_isp_dis_coefficients()
190 dis->grid.dim.width = in ia_css_sdis_init_info()
192 dis->grid.dim.height = in ia_css_sdis_init_info()
199 dis->coef.dim.width = in ia_css_sdis_init_info()
202 dis->coef.dim.height = in ia_css_sdis_init_info()
210 dis->proj.dim.width = in ia_css_sdis_init_info()
212 dis->proj.dim.height = in ia_css_sdis_init_info()
215 dis->proj.dim.width = in ia_css_sdis_init_info()
218 dis->proj.dim.height = in ia_css_sdis_init_info()
/openbmc/linux/tools/perf/
H A Dbuiltin-c2c.c442 struct c2c_dimension *dim; member
465 struct c2c_dimension *dim; in c2c_width() local
468 dim = c2c_fmt->dim; in c2c_width()
470 if (dim == &dim_symbol || dim == &dim_srcline) in c2c_width()
471 return symbol_width(hists, dim->se); in c2c_width()
473 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) : in c2c_width()
474 c2c_fmt->dim->width; in c2c_width()
482 struct c2c_dimension *dim; in c2c_header() local
487 dim = c2c_fmt->dim; in c2c_header()
489 if (dim->se) { in c2c_header()
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/openbmc/linux/drivers/staging/most/dim2/
H A Derrors.h13 * MOST DIM errors.
31 /** DIM API is called while DIM is not initialized successfully */
/openbmc/qemu/hw/alpha/
H A Dtyphoon.c26 uint64_t dim[4]; member
61 /* Called when one of DRIR or DIM changes. */
114 ret = s->cchip.dim[0]; in cchip_read()
118 ret = s->cchip.dim[1]; in cchip_read()
122 ret = s->cchip.dim[0] & s->cchip.drir; in cchip_read()
126 ret = s->cchip.dim[1] & s->cchip.drir; in cchip_read()
163 ret = s->cchip.dim[2]; in cchip_read()
167 ret = s->cchip.dim[3]; in cchip_read()
171 ret = s->cchip.dim[2] & s->cchip.drir; in cchip_read()
175 ret = s->cchip.dim[3] & s->cchip.drir; in cchip_read()
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/openbmc/linux/drivers/net/ethernet/broadcom/
H A Dbcmsysport.c637 ec->use_adaptive_rx_coalesce = priv->dim.use_dim; in bcm_sysport_get_coalesce()
674 if (ec->use_adaptive_rx_coalesce && !priv->dim.use_dim) { in bcm_sysport_set_coalesce()
675 moder = net_dim_get_def_rx_moderation(priv->dim.dim.mode); in bcm_sysport_set_coalesce()
680 priv->dim.use_dim = ec->use_adaptive_rx_coalesce; in bcm_sysport_set_coalesce()
879 priv->dim.packets = processed; in bcm_sysport_desc_rx()
880 priv->dim.bytes = processed_bytes; in bcm_sysport_desc_rx()
1053 if (priv->dim.use_dim) { in bcm_sysport_poll()
1054 dim_update_sample(priv->dim.event_ctr, priv->dim.packets, in bcm_sysport_poll()
1055 priv->dim.bytes, &dim_sample); in bcm_sysport_poll()
1056 net_dim(&priv->dim.dim, dim_sample); in bcm_sysport_poll()
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/openbmc/linux/drivers/soc/fsl/dpio/
H A Ddpio-service.c15 #include <linux/dim.h>
33 /* Net DIM */
34 struct dim rx_dim;
35 /* protect against concurrent Net DIM updates */
114 struct dim *dim = container_of(w, struct dim, work); in dpaa2_io_dim_work() local
116 net_dim_get_rx_moderation(dim->mode, dim->profile_ix); in dpaa2_io_dim_work()
117 struct dpaa2_io *d = container_of(dim, struct dpaa2_io, rx_dim); in dpaa2_io_dim_work()
120 dim->state = DIM_START_MEASURE; in dpaa2_io_dim_work()
876 * dpaa2_io_update_net_dim() - Update Net DIM
/openbmc/linux/drivers/net/ethernet/broadcom/genet/
H A Dbcmgenet.c832 ec->use_adaptive_rx_coalesce |= ring->dim.use_dim; in bcmgenet_get_coalesce()
835 ec->use_adaptive_rx_coalesce |= ring->dim.use_dim; in bcmgenet_get_coalesce()
866 if (ec->use_adaptive_rx_coalesce && !ring->dim.use_dim) { in bcmgenet_set_ring_rx_coalesce()
867 moder = net_dim_get_def_rx_moderation(ring->dim.dim.mode); in bcmgenet_set_ring_rx_coalesce()
872 ring->dim.use_dim = ec->use_adaptive_rx_coalesce; in bcmgenet_set_ring_rx_coalesce()
2386 ring->dim.bytes = bytes_processed; in bcmgenet_desc_rx()
2387 ring->dim.packets = rxpktprocessed; in bcmgenet_desc_rx()
2407 if (ring->dim.use_dim) { in bcmgenet_rx_poll()
2408 dim_update_sample(ring->dim.event_ctr, ring->dim.packets, in bcmgenet_rx_poll()
2409 ring->dim.bytes, &dim_sample); in bcmgenet_rx_poll()
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