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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
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| 1 | 2 | /* |
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| 2 | 3 | * Activity LED trigger |
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| 3 | 4 | * |
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| 4 | 5 | * Copyright (C) 2017 Willy Tarreau <w@1wt.eu> |
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| 5 | 6 | * Partially based on Atsushi Nemoto's ledtrig-heartbeat.c. |
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| 6 | | - * |
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| 7 | | - * This program is free software; you can redistribute it and/or modify |
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| 8 | | - * it under the terms of the GNU General Public License version 2 as |
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| 9 | | - * published by the Free Software Foundation. |
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| 10 | 7 | */ |
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| 11 | 8 | |
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| 12 | 9 | #include <linux/init.h> |
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| .. | .. |
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| 60 | 57 | curr_used = 0; |
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| 61 | 58 | |
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| 62 | 59 | for_each_possible_cpu(i) { |
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| 63 | | - curr_used += kcpustat_cpu(i).cpustat[CPUTIME_USER] |
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| 64 | | - + kcpustat_cpu(i).cpustat[CPUTIME_NICE] |
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| 65 | | - + kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM] |
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| 66 | | - + kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ] |
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| 67 | | - + kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; |
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| 60 | + struct kernel_cpustat kcpustat; |
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| 61 | + |
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| 62 | + kcpustat_cpu_fetch(&kcpustat, i); |
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| 63 | + |
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| 64 | + curr_used += kcpustat.cpustat[CPUTIME_USER] |
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| 65 | + + kcpustat.cpustat[CPUTIME_NICE] |
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| 66 | + + kcpustat.cpustat[CPUTIME_SYSTEM] |
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| 67 | + + kcpustat.cpustat[CPUTIME_SOFTIRQ] |
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| 68 | + + kcpustat.cpustat[CPUTIME_IRQ]; |
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| 68 | 69 | cpus++; |
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| 69 | 70 | } |
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| 70 | 71 | |
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| .. | .. |
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| 73 | 74 | * down to 16us, ensuring we won't overflow 32-bit computations below |
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| 74 | 75 | * even up to 3k CPUs, while keeping divides cheap on smaller systems. |
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| 75 | 76 | */ |
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| 76 | | - curr_boot = ktime_get_boot_ns() * cpus; |
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| 77 | + curr_boot = ktime_get_boottime_ns() * cpus; |
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| 77 | 78 | diff_boot = (curr_boot - activity_data->last_boot) >> 16; |
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| 78 | 79 | diff_used = (curr_used - activity_data->last_used) >> 16; |
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| 79 | 80 | activity_data->last_boot = curr_boot; |
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