| /kernel/linux/linux-5.10/tools/perf/tests/ |
| D | parse-metric.c | 192 static int compute_metric(const char *name, struct value *vals, double *ratio) in compute_metric() argument
194 return __compute_metric(name, vals, name, ratio, NULL, NULL); in compute_metric()
206 double ratio; in test_ipc() local
214 compute_metric("IPC", vals, &ratio) == 0); in test_ipc()
216 TEST_ASSERT_VAL("IPC failed, wrong ratio", in test_ipc()
217 ratio == 1.5); in test_ipc()
223 double ratio; in test_frontend() local
233 compute_metric("Frontend_Bound_SMT", vals, &ratio) == 0); in test_frontend()
235 TEST_ASSERT_VAL("Frontend_Bound_SMT failed, wrong ratio", in test_frontend()
236 ratio == 0.45); in test_frontend()
[all …]
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| /kernel/linux/linux-4.19/tools/perf/util/ |
| D | stat-shadow.c | 281 static const char *get_ratio_color(enum grc_type type, double ratio) in get_ratio_color() argument
290 if (ratio > grc_table[type][0]) in get_ratio_color()
292 else if (ratio > grc_table[type][1]) in get_ratio_color()
294 else if (ratio > grc_table[type][2]) in get_ratio_color()
419 double total, ratio = 0.0; in print_stalled_cycles_frontend() local
426 ratio = avg / total * 100.0; in print_stalled_cycles_frontend()
428 color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); in print_stalled_cycles_frontend()
430 if (ratio) in print_stalled_cycles_frontend()
432 ratio); in print_stalled_cycles_frontend()
442 double total, ratio = 0.0; in print_stalled_cycles_backend() local
[all …]
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| /kernel/linux/linux-5.10/tools/perf/util/ |
| D | stat-shadow.c | 302 static const char *get_ratio_color(enum grc_type type, double ratio) in get_ratio_color() argument
311 if (ratio > grc_table[type][0]) in get_ratio_color()
313 else if (ratio > grc_table[type][1]) in get_ratio_color()
315 else if (ratio > grc_table[type][2]) in get_ratio_color()
454 double total, ratio = 0.0; in print_stalled_cycles_frontend() local
461 ratio = avg / total * 100.0; in print_stalled_cycles_frontend()
463 color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); in print_stalled_cycles_frontend()
465 if (ratio) in print_stalled_cycles_frontend()
467 ratio); in print_stalled_cycles_frontend()
478 double total, ratio = 0.0; in print_stalled_cycles_backend() local
[all …]
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| /kernel/linux/linux-5.10/drivers/thermal/intel/ |
| D | intel_powerclamp.c | 48 * we increment the confidence counter for the given target ratio.
54 * idle ratio. Similar to frequency modulation.
173 "\tpowerclamp controls idle ratio within this window. larger\n"
261 static unsigned int get_compensation(int ratio) in get_compensation() argument
266 if (ratio == 1 && in get_compensation()
267 cal_data[ratio].confidence >= CONFIDENCE_OK && in get_compensation()
268 cal_data[ratio + 1].confidence >= CONFIDENCE_OK && in get_compensation()
269 cal_data[ratio + 2].confidence >= CONFIDENCE_OK) { in get_compensation()
270 comp = (cal_data[ratio].steady_comp + in get_compensation()
271 cal_data[ratio + 1].steady_comp + in get_compensation()
[all …]
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| /kernel/linux/linux-4.19/drivers/thermal/ |
| D | intel_powerclamp.c | 63 * we increment the confidence counter for the given target ratio.
69 * idle ratio. Similar to frequency modulation.
191 "\tpowerclamp controls idle ratio within this window. larger\n"
279 static unsigned int get_compensation(int ratio) in get_compensation() argument
284 if (ratio == 1 && in get_compensation()
285 cal_data[ratio].confidence >= CONFIDENCE_OK && in get_compensation()
286 cal_data[ratio + 1].confidence >= CONFIDENCE_OK && in get_compensation()
287 cal_data[ratio + 2].confidence >= CONFIDENCE_OK) { in get_compensation()
288 comp = (cal_data[ratio].steady_comp + in get_compensation()
289 cal_data[ratio + 1].steady_comp + in get_compensation()
[all …]
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| /kernel/linux/linux-5.10/drivers/gpu/drm/amd/display/dc/dcn20/ |
| D | dcn20_dwb_scl.c | 530 const uint16_t *wbscl_get_filter_3tap_16p(struct fixed31_32 ratio) in wbscl_get_filter_3tap_16p() argument
532 if (ratio.value < dc_fixpt_one.value) in wbscl_get_filter_3tap_16p()
534 else if (ratio.value < dc_fixpt_from_fraction(4, 3).value) in wbscl_get_filter_3tap_16p()
536 else if (ratio.value < dc_fixpt_from_fraction(5, 3).value) in wbscl_get_filter_3tap_16p()
542 const uint16_t *wbscl_get_filter_4tap_16p(struct fixed31_32 ratio) in wbscl_get_filter_4tap_16p() argument
544 if (ratio.value < dc_fixpt_one.value) in wbscl_get_filter_4tap_16p()
546 else if (ratio.value < dc_fixpt_from_fraction(4, 3).value) in wbscl_get_filter_4tap_16p()
548 else if (ratio.value < dc_fixpt_from_fraction(5, 3).value) in wbscl_get_filter_4tap_16p()
554 static const uint16_t *wbscl_get_filter_5tap_16p(struct fixed31_32 ratio) in wbscl_get_filter_5tap_16p() argument
556 if (ratio.value < dc_fixpt_one.value) in wbscl_get_filter_5tap_16p()
[all …]
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| /kernel/linux/linux-4.19/sound/soc/fsl/ |
| D | fsl_esai.c | 116 * @ratio: desired overall ratio for the paticipating dividers
121 static int fsl_esai_divisor_cal(struct snd_soc_dai *dai, bool tx, u32 ratio, in fsl_esai_divisor_cal() argument
132 if (ratio > 2 * 8 * 256 * maxfp || ratio < 2) { in fsl_esai_divisor_cal()
133 dev_err(dai->dev, "the ratio is out of range (2 ~ %d)\n", in fsl_esai_divisor_cal()
136 } else if (ratio % 2) { in fsl_esai_divisor_cal()
141 ratio /= 2; in fsl_esai_divisor_cal()
143 psr = ratio <= 256 * maxfp ? ESAI_xCCR_xPSR_BYPASS : ESAI_xCCR_xPSR_DIV8; in fsl_esai_divisor_cal()
145 /* Do not loop-search if PM (1 ~ 256) alone can serve the ratio */ in fsl_esai_divisor_cal()
146 if (ratio <= 256) { in fsl_esai_divisor_cal()
147 pm = ratio; in fsl_esai_divisor_cal()
[all …]
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| /kernel/linux/linux-5.10/sound/soc/codecs/ |
| D | cs42xx8.c | 183 unsigned int ratio[3]; member
267 u32 ratio[2]; in cs42xx8_hw_params() local
279 ratio[tx] = rate[tx] > 0 ? cs42xx8->sysclk / rate[tx] : 0; in cs42xx8_hw_params()
280 ratio[!tx] = rate[!tx] > 0 ? cs42xx8->sysclk / rate[!tx] : 0; in cs42xx8_hw_params()
302 /* Is the ratio[tx] valid ? */ in cs42xx8_hw_params()
304 (cs42xx8_ratios[i].ratio[0] == ratio[tx] || in cs42xx8_hw_params()
305 cs42xx8_ratios[i].ratio[1] == ratio[tx] || in cs42xx8_hw_params()
306 cs42xx8_ratios[i].ratio[2] == ratio[tx]) : in cs42xx8_hw_params()
307 (cs42xx8_ratios[i].ratio[fm[tx]] == ratio[tx])) && in cs42xx8_hw_params()
311 if (!ratio[tx]) in cs42xx8_hw_params()
[all …]
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| /kernel/linux/linux-5.10/tools/testing/selftests/memory-hotplug/ |
| D | mem-on-off-test.sh | 139 # Run with default of ratio=2 for Kselftest run
140 ratio=2
156 ratio=$OPTARG
157 if [ "$ratio" -gt 100 ] || [ "$ratio" -lt 0 ]; then
172 echo "Test scope: $ratio% hotplug memory"
191 # Offline $ratio percent of hot-pluggable memory
194 target=`echo "a=$hotpluggable_num*$ratio; if ( a%100 ) a/100+1 else a/100" | bc`
195 echo -e "\t offline $ratio% hot-pluggable memory in online state"
255 # Offline $ratio percent of hot-pluggable memory
259 if [ $((RANDOM % 100)) -lt $ratio ]; then
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| /kernel/linux/linux-4.19/tools/testing/selftests/memory-hotplug/ |
| D | mem-on-off-test.sh | 139 # Run with default of ratio=2 for Kselftest run
140 ratio=2
156 ratio=$OPTARG
157 if [ "$ratio" -gt 100 ] || [ "$ratio" -lt 0 ]; then
172 echo "Test scope: $ratio% hotplug memory"
191 # Offline $ratio percent of hot-pluggable memory
194 target=`echo "a=$hotpluggable_num*$ratio; if ( a%100 ) a/100+1 else a/100" | bc`
195 echo -e "\t offline $ratio% hot-pluggable memory in online state"
255 # Offline $ratio percent of hot-pluggable memory
259 if [ $((RANDOM % 100)) -lt $ratio ]; then
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| /kernel/linux/linux-5.10/drivers/clk/ |
| D | clk-cs2000-cp.c | 135 /* FIXME: for Static ratio mode */ in cs2000_enable_dev_config()
194 u64 ratio; in cs2000_rate_to_ratio() local
197 * ratio = rate_out / rate_in * 2^20 in cs2000_rate_to_ratio()
202 ratio = (u64)rate_out << 20; in cs2000_rate_to_ratio()
203 do_div(ratio, rate_in); in cs2000_rate_to_ratio()
205 return ratio; in cs2000_rate_to_ratio()
208 static unsigned long cs2000_ratio_to_rate(u32 ratio, u32 rate_in) in cs2000_ratio_to_rate() argument
213 * ratio = rate_out / rate_in * 2^20 in cs2000_ratio_to_rate()
219 rate_out = (u64)ratio * rate_in; in cs2000_ratio_to_rate()
273 * this driver supports static ratio mode only at this point. in cs2000_ratio_select()
[all …]
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| /kernel/linux/linux-4.19/drivers/clk/ |
| D | clk-cs2000-cp.c | 135 /* FIXME: for Static ratio mode */ in cs2000_enable_dev_config()
194 u64 ratio; in cs2000_rate_to_ratio() local
197 * ratio = rate_out / rate_in * 2^20 in cs2000_rate_to_ratio()
202 ratio = (u64)rate_out << 20; in cs2000_rate_to_ratio()
203 do_div(ratio, rate_in); in cs2000_rate_to_ratio()
205 return ratio; in cs2000_rate_to_ratio()
208 static unsigned long cs2000_ratio_to_rate(u32 ratio, u32 rate_in) in cs2000_ratio_to_rate() argument
213 * ratio = rate_out / rate_in * 2^20 in cs2000_ratio_to_rate()
219 rate_out = (u64)ratio * rate_in; in cs2000_ratio_to_rate()
273 * this driver supports static ratio mode only at this point. in cs2000_ratio_select()
[all …]
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| /kernel/linux/linux-4.19/drivers/media/platform/omap3isp/ |
| D | ispresizer.c | 55 * Constants for ratio calculation
305 * @ratio: Structure for ratio parameters.
310 const struct resizer_ratio *ratio) in resizer_set_ratio() argument
318 rgval |= ((ratio->horz - 1) << ISPRSZ_CNT_HRSZ_SHIFT) in resizer_set_ratio()
320 rgval |= ((ratio->vert - 1) << ISPRSZ_CNT_VRSZ_SHIFT) in resizer_set_ratio()
325 if (ratio->horz > MID_RESIZE_VALUE) in resizer_set_ratio()
331 if (ratio->vert > MID_RESIZE_VALUE) in resizer_set_ratio()
683 * @ratio : return calculated ratios
687 * has a fixed number of phases that depend on the resizing ratio. As the ratio
691 * The input/output/ratio relationship is given by the OMAP34xx TRM:
[all …]
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| /kernel/linux/linux-5.10/drivers/media/platform/omap3isp/ |
| D | ispresizer.c | 52 * Constants for ratio calculation
302 * @ratio: Structure for ratio parameters.
307 const struct resizer_ratio *ratio) in resizer_set_ratio() argument
315 rgval |= ((ratio->horz - 1) << ISPRSZ_CNT_HRSZ_SHIFT) in resizer_set_ratio()
317 rgval |= ((ratio->vert - 1) << ISPRSZ_CNT_VRSZ_SHIFT) in resizer_set_ratio()
322 if (ratio->horz > MID_RESIZE_VALUE) in resizer_set_ratio()
328 if (ratio->vert > MID_RESIZE_VALUE) in resizer_set_ratio()
680 * @ratio : return calculated ratios
684 * has a fixed number of phases that depend on the resizing ratio. As the ratio
688 * The input/output/ratio relationship is given by the OMAP34xx TRM:
[all …]
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| /kernel/linux/linux-5.10/sound/soc/fsl/ |
| D | fsl_esai.c | 166 * @ratio: desired overall ratio for the paticipating dividers
170 static int fsl_esai_divisor_cal(struct snd_soc_dai *dai, bool tx, u32 ratio, in fsl_esai_divisor_cal() argument
181 if (ratio > 2 * 8 * 256 * maxfp || ratio < 2) { in fsl_esai_divisor_cal()
182 dev_err(dai->dev, "the ratio is out of range (2 ~ %d)\n", in fsl_esai_divisor_cal()
185 } else if (ratio % 2) { in fsl_esai_divisor_cal()
190 ratio /= 2; in fsl_esai_divisor_cal()
192 psr = ratio <= 256 * maxfp ? ESAI_xCCR_xPSR_BYPASS : ESAI_xCCR_xPSR_DIV8; in fsl_esai_divisor_cal()
194 /* Do not loop-search if PM (1 ~ 256) alone can serve the ratio */ in fsl_esai_divisor_cal()
195 if (ratio <= 256) { in fsl_esai_divisor_cal()
196 pm = ratio; in fsl_esai_divisor_cal()
[all …]
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| /kernel/linux/linux-5.10/tools/testing/selftests/net/forwarding/ |
| D | sch_ets_tests.sh | 54 local ratio=$(echo "scale=2; 100 * $d / $total" | bc -l)
56 test $(echo "$ratio > 95.0" | bc -l) -eq 1
59 log_info "Expected ratio >95% Measured ratio $ratio"
61 test $(echo "$ratio < 5" | bc -l) -eq 1
64 log_info "Expected ratio <5% Measured ratio $ratio"
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| /kernel/linux/linux-5.10/Documentation/driver-api/thermal/ |
| D | intel_powerclamp.rst | 72 ratio (based on power reduction), and the error is the difference
73 between the actual package level C-state residency ratio and the target idle
74 ratio.
80 clamping actions of controlled duty ratio and duration. Each per-CPU
127 instantly as given input (target idle ratio). After injection,
150 a) determine the effective range of idle injection ratio
151 b) determine the amount of compensation needed at each target ratio
153 Compensation to each target ratio consists of two parts:
161 additional idle ratio can be added to quiet interrupts, by
211 we have a simple algorithm to double the injection ratio. A possible
[all …]
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| /kernel/linux/linux-5.10/drivers/video/backlight/ |
| D | ktd253-backlight.c | 21 /* Current ratio is n/32 from 1/32 to 32/32 */
35 u16 ratio; member
80 u16 current_ratio = ktd253->ratio; in ktd253_backlight_update_status()
83 dev_dbg(ktd253->dev, "new brightness/ratio: %d/32\n", brightness); in ktd253_backlight_update_status()
98 ktd253->ratio = 0; in ktd253_backlight_update_status()
131 ktd253->ratio = current_ratio; in ktd253_backlight_update_status()
133 dev_dbg(ktd253->dev, "new ratio set to %d/32\n", target_ratio); in ktd253_backlight_update_status()
176 /* This will be the default ratio when the KTD253 is enabled */ in ktd253_backlight_probe()
177 ktd253->ratio = KTD253_MAX_RATIO; in ktd253_backlight_probe()
179 ktd253->ratio = 0; in ktd253_backlight_probe()
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| /kernel/linux/linux-4.19/Documentation/thermal/ |
| D | intel_powerclamp.txt | 70 ratio (based on power reduction), and the error is the difference
71 between the actual package level C-state residency ratio and the target idle
72 ratio.
78 clamping actions of controlled duty ratio and duration. Each per-CPU
123 instantly as given input (target idle ratio). After injection,
146 a) determine the effective range of idle injection ratio
147 b) determine the amount of compensation needed at each target ratio
149 Compensation to each target ratio consists of two parts:
157 additional idle ratio can be added to quiet interrupts, by
206 we have a simple algorithm to double the injection ratio. A possible
[all …]
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| /kernel/linux/linux-5.10/drivers/media/dvb-frontends/ |
| D | ves1x93.c | 165 u32 ratio; in ves1x93_set_symbolrate() local
184 ratio = tmp / FIN; in ves1x93_set_symbolrate()
187 ratio = (ratio << 8) + tmp / FIN; in ves1x93_set_symbolrate()
190 ratio = (ratio << 8) + tmp / FIN; in ves1x93_set_symbolrate()
194 if (ratio < MUL/3) FNR = 0; in ves1x93_set_symbolrate()
195 if (ratio < (MUL*11)/50) FNR = 1; in ves1x93_set_symbolrate()
196 if (ratio < MUL/6) FNR = 2; in ves1x93_set_symbolrate()
197 if (ratio < MUL/9) FNR = 3; in ves1x93_set_symbolrate()
198 if (ratio < MUL/12) FNR = 4; in ves1x93_set_symbolrate()
199 if (ratio < (MUL*11)/200) FNR = 5; in ves1x93_set_symbolrate()
[all …]
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| /kernel/linux/linux-5.10/mm/ |
| D | zswapd.c | 83 u64 ratio = atomic64_read(&memcg->memcg_reclaimed.ub_ufs2zram_ratio); in swapin_memcg() local
86 if (req_size > swap_size * ratio) in swapin_memcg()
87 req_size = swap_size * ratio; in swapin_memcg()
106 u32 ratio = atomic_read(&memcg->memcg_reclaimed.ub_zram2ufs_ratio); in swapout_memcg() local
109 if (all_size * ratio <= swap_size) in swapout_memcg()
111 if (req_size > all_size * ratio - swap_size) in swapout_memcg()
112 req_size = all_size * ratio - swap_size; in swapout_memcg()
254 unsigned long long ratio; in get_memcg_anon_refault_status() local
277 ratio = div64_u64((anon_pagefault - memcg->memcg_reclaimed.reclaimed_pagefault) * in get_memcg_anon_refault_status()
279 if (ratio > atomic_read(&memcg->memcg_reclaimed.refault_threshold)) in get_memcg_anon_refault_status()
[all …]
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| /kernel/linux/linux-4.19/drivers/gpu/drm/amd/display/dc/inc/hw/ |
| D | transform.h | 69 /* Active format aspect ratio */
268 const uint16_t *get_filter_3tap_16p(struct fixed31_32 ratio);
269 const uint16_t *get_filter_3tap_64p(struct fixed31_32 ratio);
270 const uint16_t *get_filter_4tap_16p(struct fixed31_32 ratio);
271 const uint16_t *get_filter_4tap_64p(struct fixed31_32 ratio);
272 const uint16_t *get_filter_5tap_64p(struct fixed31_32 ratio);
273 const uint16_t *get_filter_6tap_64p(struct fixed31_32 ratio);
274 const uint16_t *get_filter_7tap_64p(struct fixed31_32 ratio);
275 const uint16_t *get_filter_8tap_64p(struct fixed31_32 ratio);
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| /kernel/linux/linux-5.10/drivers/gpu/drm/amd/display/dc/inc/hw/ |
| D | transform.h | 69 /* Active format aspect ratio */
270 const uint16_t *get_filter_3tap_16p(struct fixed31_32 ratio);
271 const uint16_t *get_filter_3tap_64p(struct fixed31_32 ratio);
272 const uint16_t *get_filter_4tap_16p(struct fixed31_32 ratio);
273 const uint16_t *get_filter_4tap_64p(struct fixed31_32 ratio);
274 const uint16_t *get_filter_5tap_64p(struct fixed31_32 ratio);
275 const uint16_t *get_filter_6tap_64p(struct fixed31_32 ratio);
276 const uint16_t *get_filter_7tap_64p(struct fixed31_32 ratio);
277 const uint16_t *get_filter_8tap_64p(struct fixed31_32 ratio);
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| /kernel/linux/linux-5.10/drivers/media/platform/vsp1/ |
| D | vsp1_uds.c | 50 * uds_output_size - Return the output size for an input size and scaling ratio
52 * @ratio: scaling ratio in U4.12 fixed-point format
54 static unsigned int uds_output_size(unsigned int input, unsigned int ratio) in uds_output_size() argument
56 if (ratio > 4096) { in uds_output_size()
60 mp = ratio / 4096; in uds_output_size()
63 return (input - 1) / mp * mp * 4096 / ratio + 1; in uds_output_size()
66 return (input - 1) * 4096 / ratio + 1; in uds_output_size()
84 * uds_passband_width - Return the passband filter width for a scaling ratio
85 * @ratio: scaling ratio in U4.12 fixed-point format
87 static unsigned int uds_passband_width(unsigned int ratio) in uds_passband_width() argument
[all …]
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| /kernel/linux/linux-4.19/drivers/media/platform/vsp1/ |
| D | vsp1_uds.c | 50 * uds_output_size - Return the output size for an input size and scaling ratio
52 * @ratio: scaling ratio in U4.12 fixed-point format
54 static unsigned int uds_output_size(unsigned int input, unsigned int ratio) in uds_output_size() argument
56 if (ratio > 4096) { in uds_output_size()
60 mp = ratio / 4096; in uds_output_size()
63 return (input - 1) / mp * mp * 4096 / ratio + 1; in uds_output_size()
66 return (input - 1) * 4096 / ratio + 1; in uds_output_size()
84 * uds_passband_width - Return the passband filter width for a scaling ratio
85 * @ratio: scaling ratio in U4.12 fixed-point format
87 static unsigned int uds_passband_width(unsigned int ratio) in uds_passband_width() argument
[all …]
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