From nobody Sun Nov 24 19:25:30 2024 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.5]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CB14D15443B; Sun, 3 Nov 2024 08:09:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730621360; cv=none; b=W5BTG1KXBlYJ5Xvy7L+16Dm7JpXtJRghljlKa+xo+tKQGrVDYQoiNz+zhE8nOdjaAQxV2m6zRUmYBfdat+G7aoFKHWWxsC8gsjmnGAG9blfcCIyb+DRbj0sQx96xK8ciN6CJwVquM2euuM+MrQU46x4Pb61mxRBeILeHwe/V+BY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730621360; c=relaxed/simple; bh=A3qFofE2FTeXXptlGj/GbRLYBog9Av63u4PPiTaJfXE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=SXdHTUC7DgAiP1BX0TH6kwLWoF8R6NkvjwLLZtsQfCZPwQELQ0/EozXYbt2GD+YeaqYtAblYHqUSTuqJFmI2JsM/v0nDMnXSe7fowCbcxHG7/dlgwjmKZvb8S1La4l6Pd7JZMU/MXErNHNCQBNe1viH38LINndo4rVg4F7qJQNU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Z8nMehOb; arc=none smtp.client-ip=117.135.210.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Z8nMehOb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=fjAen LhCq8Xk53K+KNMCvNlQm0rmeCRd+Naft/mV0f8=; b=Z8nMehObtHVNsBHL+JKMH sE6tULkLao0vvKLdWkBz55udo400qH22K1LCSaBqU3T/vrXE60vW3CrzE/YAfXjb uKBp3m7+dBz0Vp6YpPDBauA88jwBJEE2zNnTo7PDHF9ElNIeQpwNN+1rrZfuZmRC 0fxwNJSzSk3WrVfUGeNm90= Received: from localhost.localdomain (unknown [111.35.191.191]) by gzsmtp2 (Coremail) with SMTP id PSgvCgCnrQTjLidnai5hAQ--.30987S4; Sun, 03 Nov 2024 16:06:12 +0800 (CST) From: David Wang <00107082@163.com> To: tglx@linutronix.de, richard.henderson@linaro.org, linux@armlinux.org.uk, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, chenhuacai@kernel.org, kernel@xen0n.name, James.Bottomley@HansenPartnership.com, deller@gmx.de, mpe@ellerman.id.au, paul.walmsley@sifive.com, ysato@users.sourceforge.jp, dalias@libc.org, glaubitz@physik.fu-berlin.de, davem@davemloft.net, andreas@gaisler.com, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, chris@zankel.net, jcmvbkbc@gmail.com Cc: linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, David Wang <00107082@163.com> Subject: [PATCH] kernel/irq/proc: performance: replace seq_printf with seq_put_decimal_ull_width Date: Sun, 3 Nov 2024 16:05:52 +0800 Message-Id: <20241103080552.4787-1-00107082@163.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: PSgvCgCnrQTjLidnai5hAQ--.30987S4 X-Coremail-Antispam: 1Uf129KBjvAXoWfuF4fJw1rWr4fXFykCw1rWFg_yoW5JrWkJo WkuF4IyrykuFyUX34DZrnayFyqqw42q3W3X34q9w4rWFnFqrWkKry2va4xAry3Aw45C34k WayaqrW5J390qFWkn29KB7ZKAUJUUUU8529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvjfU8nmRUUUUU X-CM-SenderInfo: qqqrilqqysqiywtou0bp/xtbB0heMqmcnKG5ISwAAsm Content-Type: text/plain; charset="utf-8" seq_printf is costy, when stress reading /proc/interrupts, profiling indica= tes seq_printf takes about ~47% of show_interrupts samples: show_interrupts(94.495% 5166019/5466991) seq_printf(47.429% 2450210/5166019) vsnprintf(89.232% 2186366/2450210) format_decode(24.005% 524831/2186366) number(19.488% 426084/2186366) memcpy_orig(3.739% 81753/2186366) ... _raw_spin_unlock_irqrestore(26.643% 1376379/5166019) mtree_load(8.059% 416304/5166019) On a system with n CPUs and m interrupts, there will be n*m decimal values yielded via seq_printf(.."%10u "..) which is less efficient than seq_put_decimal_ull_width, stress reading /proc/interrupts indicates ~30% performance improvement with this patch, and profiling data shows: show_interrupts(92.221% 3609371/3913823) _raw_spin_unlock_irqrestore(39.123% 1412078/3609371) mtree_load(11.942% 431036/3609371) seq_put_decimal_ull_width(11.635% 419958/3609371) seq_printf(9.025% 325754/3609371) ... The improvement has pratical significance, considering many monitoring tools would read /proc/interrupts periodically. seq_put_decimal_ull_width(..," ", v, 10) is equivalent to seq_printf(.., " %10llu", v), not "%10llu "; Hence there is space adjustment along. Signed-off-by: David Wang <00107082@163.com> --- arch/alpha/kernel/irq.c | 8 +-- arch/arm/kernel/smp.c | 4 +- arch/arm64/kernel/smp.c | 3 +- arch/csky/kernel/smp.c | 4 +- arch/loongarch/kernel/smp.c | 2 +- arch/parisc/kernel/irq.c | 34 ++++++------ arch/powerpc/kernel/irq.c | 44 ++++++++-------- arch/riscv/kernel/smp.c | 3 +- arch/sh/kernel/irq.c | 4 +- arch/sparc/kernel/irq_32.c | 12 ++--- arch/sparc/kernel/irq_64.c | 4 +- arch/x86/kernel/irq.c | 100 ++++++++++++++++++------------------ arch/xtensa/kernel/irq.c | 2 +- arch/xtensa/kernel/smp.c | 4 +- kernel/irq/proc.c | 6 ++- 15 files changed, 120 insertions(+), 114 deletions(-) diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index c67047c5d830..0dbb8d3ed647 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -72,14 +72,14 @@ int arch_show_interrupts(struct seq_file *p, int prec) int j; =20 #ifdef CONFIG_SMP - seq_puts(p, "IPI: "); + seq_puts(p, "IPI:"); for_each_online_cpu(j) - seq_printf(p, "%10lu ", cpu_data[j].ipi_count); + seq_put_decimal_ull_width(p, " ", cpu_data[j].ipi_count, 10); seq_putc(p, '\n'); #endif - seq_puts(p, "PMI: "); + seq_puts(p, "PMI:"); for_each_online_cpu(j) - seq_printf(p, "%10lu ", per_cpu(irq_pmi_count, j)); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_pmi_count, j), 10); seq_puts(p, " Performance Monitoring\n"); seq_printf(p, "ERR: %10lu\n", irq_err_count); return 0; diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 3431c0553f45..1b0680477ae1 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -551,10 +551,10 @@ void show_ipi_list(struct seq_file *p, int prec) if (!ipi_desc[i]) continue; =20 - seq_printf(p, "%*s%u: ", prec - 1, "IPI", i); + seq_printf(p, "%*s%u:", prec - 1, "IPI", i); =20 for_each_online_cpu(cpu) - seq_printf(p, "%10u ", irq_desc_kstat_cpu(ipi_desc[i], cpu)); + seq_put_decimal_ull_width(p, " ", irq_desc_kstat_cpu(ipi_desc[i], cpu),= 10); =20 seq_printf(p, " %s\n", ipi_types[i]); } diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 3b3f6b56e733..35734a30ed8d 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -844,7 +844,8 @@ int arch_show_interrupts(struct seq_file *p, int prec) seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i, prec >=3D 4 ? " " : ""); for_each_online_cpu(cpu) - seq_printf(p, "%10u ", irq_desc_kstat_cpu(ipi_desc[i], cpu)); + seq_put_decimal_ull_width(p, " ", + irq_desc_kstat_cpu(ipi_desc[i], cpu), 10); seq_printf(p, " %s\n", ipi_types[i]); } =20 diff --git a/arch/csky/kernel/smp.c b/arch/csky/kernel/smp.c index 92dbbf3e0205..65f399afc3f0 100644 --- a/arch/csky/kernel/smp.c +++ b/arch/csky/kernel/smp.c @@ -112,8 +112,8 @@ int arch_show_interrupts(struct seq_file *p, int prec) seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i, prec >=3D 4 ? " " : ""); for_each_online_cpu(cpu) - seq_printf(p, "%10lu ", - per_cpu_ptr(&ipi_data, cpu)->stats[i]); + seq_put_decimal_ull_width(p, " ", + per_cpu_ptr(&ipi_data, cpu)->stats[i], 10); seq_printf(p, " %s\n", ipi_names[i]); } =20 diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c index 9afc2d8b3414..86664adfb3cf 100644 --- a/arch/loongarch/kernel/smp.c +++ b/arch/loongarch/kernel/smp.c @@ -82,7 +82,7 @@ void show_ipi_list(struct seq_file *p, int prec) for (i =3D 0; i < NR_IPI; i++) { seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i, prec >=3D 4 ? " " : ""); for_each_online_cpu(cpu) - seq_printf(p, "%10u ", per_cpu(irq_stat, cpu).ipi_irqs[i]); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, cpu).ipi_irqs[i], 1= 0); seq_printf(p, " LoongArch %d %s\n", i + 1, ipi_types[i]); } } diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index dff66be65d29..b060d7e6da46 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -133,40 +133,42 @@ int arch_show_interrupts(struct seq_file *p, int prec) int j; =20 #ifdef CONFIG_DEBUG_STACKOVERFLOW - seq_printf(p, "%*s: ", prec, "STK"); + seq_printf(p, "%*s:", prec, "STK"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->kernel_stack_usage); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->kernel_stack_usage, 10); seq_puts(p, " Kernel stack usage\n"); # ifdef CONFIG_IRQSTACKS - seq_printf(p, "%*s: ", prec, "IST"); + seq_printf(p, "%*s:", prec, "IST"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_stack_usage); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_stack_usage, 10); seq_puts(p, " Interrupt stack usage\n"); # endif #endif #ifdef CONFIG_SMP if (num_online_cpus() > 1) { - seq_printf(p, "%*s: ", prec, "RES"); + seq_printf(p, "%*s:", prec, "RES"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count); + seq_put_decimal_ull_width(p, " ", + irq_stats(j)->irq_resched_count, 10); seq_puts(p, " Rescheduling interrupts\n"); - seq_printf(p, "%*s: ", prec, "CAL"); + seq_printf(p, "%*s:", prec, "CAL"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_call_count); + seq_put_decimal_ull_width(p, " ", + irq_stats(j)->irq_call_count, 10); seq_puts(p, " Function call interrupts\n"); } #endif - seq_printf(p, "%*s: ", prec, "UAH"); + seq_printf(p, "%*s:", prec, "UAH"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_unaligned_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_unaligned_count, 10); seq_puts(p, " Unaligned access handler traps\n"); - seq_printf(p, "%*s: ", prec, "FPA"); + seq_printf(p, "%*s:", prec, "FPA"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_fpassist_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_fpassist_count, 10); seq_puts(p, " Floating point assist traps\n"); - seq_printf(p, "%*s: ", prec, "TLB"); + seq_printf(p, "%*s:", prec, "TLB"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_tlb_count, 10); seq_puts(p, " TLB shootdowns\n"); return 0; } @@ -195,10 +197,10 @@ int show_interrupts(struct seq_file *p, void *v) action =3D desc->action; if (!action) goto skip; - seq_printf(p, "%3d: ", i); + seq_printf(p, "%3d:", i); =20 for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_desc_kstat_cpu(desc, j)); + seq_put_decimal_ull_width(p, " ", irq_desc_kstat_cpu(desc, j), 10); =20 seq_printf(p, " %14s", irq_desc_get_chip(desc)->name); #ifndef PARISC_IRQ_CR16_COUNTS diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 2e1600a8bbbb..a0e8b998c9b5 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -89,69 +89,69 @@ int arch_show_interrupts(struct seq_file *p, int prec) =20 #if defined(CONFIG_PPC32) && defined(CONFIG_TAU_INT) if (tau_initialized) { - seq_printf(p, "%*s: ", prec, "TAU"); + seq_printf(p, "%*s:", prec, "TAU"); for_each_online_cpu(j) - seq_printf(p, "%10u ", tau_interrupts(j)); + seq_put_decimal_ull_width(p, " ", tau_interrupts(j), 10); seq_puts(p, " PowerPC Thermal Assist (cpu temp)\n"); } #endif /* CONFIG_PPC32 && CONFIG_TAU_INT */ =20 - seq_printf(p, "%*s: ", prec, "LOC"); + seq_printf(p, "%*s:", prec, "LOC"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).timer_irqs_event); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).timer_irqs_event,= 10); seq_printf(p, " Local timer interrupts for timer event device\n"); =20 - seq_printf(p, "%*s: ", prec, "BCT"); + seq_printf(p, "%*s:", prec, "BCT"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).broadcast_irqs_event); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).broadcast_irqs_ev= ent, 10); seq_printf(p, " Broadcast timer interrupts for timer event device\n"); =20 - seq_printf(p, "%*s: ", prec, "LOC"); + seq_printf(p, "%*s:", prec, "LOC"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).timer_irqs_others); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).timer_irqs_others= , 10); seq_printf(p, " Local timer interrupts for others\n"); =20 - seq_printf(p, "%*s: ", prec, "SPU"); + seq_printf(p, "%*s:", prec, "SPU"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).spurious_irqs); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).spurious_irqs, 10= ); seq_printf(p, " Spurious interrupts\n"); =20 - seq_printf(p, "%*s: ", prec, "PMI"); + seq_printf(p, "%*s:", prec, "PMI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).pmu_irqs); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).pmu_irqs, 10); seq_printf(p, " Performance monitoring interrupts\n"); =20 - seq_printf(p, "%*s: ", prec, "MCE"); + seq_printf(p, "%*s:", prec, "MCE"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).mce_exceptions); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).mce_exceptions, 1= 0); seq_printf(p, " Machine check exceptions\n"); =20 #ifdef CONFIG_PPC_BOOK3S_64 if (cpu_has_feature(CPU_FTR_HVMODE)) { - seq_printf(p, "%*s: ", prec, "HMI"); + seq_printf(p, "%*s:", prec, "HMI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", paca_ptrs[j]->hmi_irqs); + seq_put_decimal_ull_width(p, " ", paca_ptrs[j]->hmi_irqs, 10); seq_printf(p, " Hypervisor Maintenance Interrupts\n"); } #endif =20 - seq_printf(p, "%*s: ", prec, "NMI"); + seq_printf(p, "%*s:", prec, "NMI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).sreset_irqs); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).sreset_irqs, 10); seq_printf(p, " System Reset interrupts\n"); =20 #ifdef CONFIG_PPC_WATCHDOG - seq_printf(p, "%*s: ", prec, "WDG"); + seq_printf(p, "%*s:", prec, "WDG"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).soft_nmi_irqs); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).soft_nmi_irqs, 10= ); seq_printf(p, " Watchdog soft-NMI interrupts\n"); #endif =20 #ifdef CONFIG_PPC_DOORBELL if (cpu_has_feature(CPU_FTR_DBELL)) { - seq_printf(p, "%*s: ", prec, "DBL"); + seq_printf(p, "%*s:", prec, "DBL"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat, j).doorbell_irqs); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, j).doorbell_irqs, 1= 0); seq_printf(p, " Doorbell interrupts\n"); } #endif diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c index c180a647a30e..f1e9c3db094c 100644 --- a/arch/riscv/kernel/smp.c +++ b/arch/riscv/kernel/smp.c @@ -226,7 +226,8 @@ void show_ipi_stats(struct seq_file *p, int prec) seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i, prec >=3D 4 ? " " : ""); for_each_online_cpu(cpu) - seq_printf(p, "%10u ", irq_desc_kstat_cpu(ipi_desc[i], cpu)); + seq_put_decimal_ull_width(p, " ", + irq_desc_kstat_cpu(ipi_desc[i], cpu), 10); seq_printf(p, " %s\n", ipi_names[i]); } } diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 4e6835de54cf..9022d8af9d68 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -43,9 +43,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) { int j; =20 - seq_printf(p, "%*s: ", prec, "NMI"); + seq_printf(p, "%*s:", prec, "NMI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat.__nmi_count, j)); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat.__nmi_count, j), 10); seq_printf(p, " Non-maskable interrupts\n"); =20 seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index 8605dd710f3c..5210991429d5 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -199,18 +199,18 @@ int arch_show_interrupts(struct seq_file *p, int prec) int j; =20 #ifdef CONFIG_SMP - seq_printf(p, "RES: "); + seq_printf(p, "RES:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).irq_resched_count); + seq_put_decimal_ull_width(p, " ", cpu_data(j).irq_resched_count, 10); seq_printf(p, " IPI rescheduling interrupts\n"); - seq_printf(p, "CAL: "); + seq_printf(p, "CAL:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).irq_call_count); + seq_put_decimal_ull_width(p, " ", cpu_data(j).irq_call_count, 10); seq_printf(p, " IPI function call interrupts\n"); #endif - seq_printf(p, "NMI: "); + seq_printf(p, "NMI:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).counter); + seq_put_decimal_ull_width(p, " ", cpu_data(j).counter, 10); seq_printf(p, " Non-maskable interrupts\n"); return 0; } diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 01ee800efde3..9ab6e79b617b 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -304,9 +304,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) { int j; =20 - seq_printf(p, "NMI: "); + seq_printf(p, "NMI:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).__nmi_count); + seq_put_decimal_ull_width(p, " ", cpu_data(j).__nmi_count, 10); seq_printf(p, " Non-maskable interrupts\n"); return 0; } diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 385e3a5fc304..66cc8f001bd0 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -62,103 +62,103 @@ int arch_show_interrupts(struct seq_file *p, int prec) { int j; =20 - seq_printf(p, "%*s: ", prec, "NMI"); + seq_printf(p, "%*s:", prec, "NMI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->__nmi_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->__nmi_count, 10); seq_puts(p, " Non-maskable interrupts\n"); #ifdef CONFIG_X86_LOCAL_APIC - seq_printf(p, "%*s: ", prec, "LOC"); + seq_printf(p, "%*s:", prec, "LOC"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->apic_timer_irqs); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->apic_timer_irqs, 10); seq_puts(p, " Local timer interrupts\n"); =20 - seq_printf(p, "%*s: ", prec, "SPU"); + seq_printf(p, "%*s:", prec, "SPU"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_spurious_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_spurious_count, 10); seq_puts(p, " Spurious interrupts\n"); - seq_printf(p, "%*s: ", prec, "PMI"); + seq_printf(p, "%*s:", prec, "PMI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->apic_perf_irqs); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->apic_perf_irqs, 10); seq_puts(p, " Performance monitoring interrupts\n"); - seq_printf(p, "%*s: ", prec, "IWI"); + seq_printf(p, "%*s:", prec, "IWI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->apic_irq_work_irqs); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->apic_irq_work_irqs, 10); seq_puts(p, " IRQ work interrupts\n"); - seq_printf(p, "%*s: ", prec, "RTR"); + seq_printf(p, "%*s:", prec, "RTR"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->icr_read_retry_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->icr_read_retry_count, 10= ); seq_puts(p, " APIC ICR read retries\n"); if (x86_platform_ipi_callback) { - seq_printf(p, "%*s: ", prec, "PLT"); + seq_printf(p, "%*s:", prec, "PLT"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->x86_platform_ipis); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->x86_platform_ipis, 10); seq_puts(p, " Platform interrupts\n"); } #endif #ifdef CONFIG_SMP - seq_printf(p, "%*s: ", prec, "RES"); + seq_printf(p, "%*s:", prec, "RES"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_resched_count, 10); seq_puts(p, " Rescheduling interrupts\n"); - seq_printf(p, "%*s: ", prec, "CAL"); + seq_printf(p, "%*s:", prec, "CAL"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_call_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_call_count, 10); seq_puts(p, " Function call interrupts\n"); - seq_printf(p, "%*s: ", prec, "TLB"); + seq_printf(p, "%*s:", prec, "TLB"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_tlb_count, 10); seq_puts(p, " TLB shootdowns\n"); #endif #ifdef CONFIG_X86_THERMAL_VECTOR - seq_printf(p, "%*s: ", prec, "TRM"); + seq_printf(p, "%*s:", prec, "TRM"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_thermal_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_thermal_count, 10); seq_puts(p, " Thermal event interrupts\n"); #endif #ifdef CONFIG_X86_MCE_THRESHOLD - seq_printf(p, "%*s: ", prec, "THR"); + seq_printf(p, "%*s:", prec, "THR"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_threshold_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_threshold_count, 10); seq_puts(p, " Threshold APIC interrupts\n"); #endif #ifdef CONFIG_X86_MCE_AMD - seq_printf(p, "%*s: ", prec, "DFR"); + seq_printf(p, "%*s:", prec, "DFR"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_deferred_error_count); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->irq_deferred_error_count= , 10); seq_puts(p, " Deferred Error APIC interrupts\n"); #endif #ifdef CONFIG_X86_MCE - seq_printf(p, "%*s: ", prec, "MCE"); + seq_printf(p, "%*s:", prec, "MCE"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(mce_exception_count, j)); + seq_put_decimal_ull_width(p, " ", per_cpu(mce_exception_count, j), 10); seq_puts(p, " Machine check exceptions\n"); - seq_printf(p, "%*s: ", prec, "MCP"); + seq_printf(p, "%*s:", prec, "MCP"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(mce_poll_count, j)); + seq_put_decimal_ull_width(p, " ", per_cpu(mce_poll_count, j), 10); seq_puts(p, " Machine check polls\n"); #endif #ifdef CONFIG_X86_HV_CALLBACK_VECTOR if (test_bit(HYPERVISOR_CALLBACK_VECTOR, system_vectors)) { - seq_printf(p, "%*s: ", prec, "HYP"); + seq_printf(p, "%*s:", prec, "HYP"); for_each_online_cpu(j) - seq_printf(p, "%10u ", - irq_stats(j)->irq_hv_callback_count); + seq_put_decimal_ull_width(p, " ", + irq_stats(j)->irq_hv_callback_count, 10); seq_puts(p, " Hypervisor callback interrupts\n"); } #endif #if IS_ENABLED(CONFIG_HYPERV) if (test_bit(HYPERV_REENLIGHTENMENT_VECTOR, system_vectors)) { - seq_printf(p, "%*s: ", prec, "HRE"); + seq_printf(p, "%*s:", prec, "HRE"); for_each_online_cpu(j) - seq_printf(p, "%10u ", - irq_stats(j)->irq_hv_reenlightenment_count); + seq_put_decimal_ull_width(p, " ", + irq_stats(j)->irq_hv_reenlightenment_count, 10); seq_puts(p, " Hyper-V reenlightenment interrupts\n"); } if (test_bit(HYPERV_STIMER0_VECTOR, system_vectors)) { - seq_printf(p, "%*s: ", prec, "HVS"); + seq_printf(p, "%*s:", prec, "HVS"); for_each_online_cpu(j) - seq_printf(p, "%10u ", - irq_stats(j)->hyperv_stimer0_count); + seq_put_decimal_ull_width(p, " ", + irq_stats(j)->hyperv_stimer0_count, 10); seq_puts(p, " Hyper-V stimer0 interrupts\n"); } #endif @@ -167,28 +167,28 @@ int arch_show_interrupts(struct seq_file *p, int prec) seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count)); #endif #if IS_ENABLED(CONFIG_KVM) - seq_printf(p, "%*s: ", prec, "PIN"); + seq_printf(p, "%*s:", prec, "PIN"); for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->kvm_posted_intr_ipis); + seq_put_decimal_ull_width(p, " ", irq_stats(j)->kvm_posted_intr_ipis, 10= ); seq_puts(p, " Posted-interrupt notification event\n"); =20 - seq_printf(p, "%*s: ", prec, "NPI"); + seq_printf(p, "%*s:", prec, "NPI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", - irq_stats(j)->kvm_posted_intr_nested_ipis); + seq_put_decimal_ull_width(p, " ", + irq_stats(j)->kvm_posted_intr_nested_ipis, 10); seq_puts(p, " Nested posted-interrupt event\n"); =20 - seq_printf(p, "%*s: ", prec, "PIW"); + seq_printf(p, "%*s:", prec, "PIW"); for_each_online_cpu(j) - seq_printf(p, "%10u ", - irq_stats(j)->kvm_posted_intr_wakeup_ipis); + seq_put_decimal_ull_width(p, " ", + irq_stats(j)->kvm_posted_intr_wakeup_ipis, 10); seq_puts(p, " Posted-interrupt wakeup event\n"); #endif #ifdef CONFIG_X86_POSTED_MSI - seq_printf(p, "%*s: ", prec, "PMN"); + seq_printf(p, "%*s:", prec, "PMN"); for_each_online_cpu(j) - seq_printf(p, "%10u ", - irq_stats(j)->posted_msi_notification_count); + seq_put_decimal_ull_width(p, " ", + irq_stats(j)->posted_msi_notification_count, 10); seq_puts(p, " Posted MSI notification event\n"); #endif return 0; diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index b1e410f6b5ab..c4f46989f9b7 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -58,7 +58,7 @@ int arch_show_interrupts(struct seq_file *p, int prec) #if XTENSA_FAKE_NMI seq_printf(p, "%*s:", prec, "NMI"); for_each_online_cpu(cpu) - seq_printf(p, " %10lu", per_cpu(nmi_count, cpu)); + seq_put_decimal_ull_width(p, " ", per_cpu(nmi_count, cpu), 10); seq_puts(p, " Non-maskable interrupts\n"); #endif return 0; diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c index 94a23f100726..71ec9eced8b9 100644 --- a/arch/xtensa/kernel/smp.c +++ b/arch/xtensa/kernel/smp.c @@ -453,8 +453,8 @@ void show_ipi_list(struct seq_file *p, int prec) for (i =3D 0; i < IPI_MAX; ++i) { seq_printf(p, "%*s:", prec, ipi_text[i].short_text); for_each_online_cpu(cpu) - seq_printf(p, " %10lu", - per_cpu(ipi_data, cpu).ipi_count[i]); + seq_put_decimal_ull_width(p, " ", + per_cpu(ipi_data, cpu).ipi_count[i], 10); seq_printf(p, " %s\n", ipi_text[i].long_text); } } diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 9081ada81c3d..988ce781e813 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -494,9 +494,11 @@ int show_interrupts(struct seq_file *p, void *v) if (!desc->action || irq_desc_is_chained(desc) || !desc->kstat_irqs) goto outsparse; =20 - seq_printf(p, "%*d: ", prec, i); + seq_printf(p, "%*d:", prec, i); for_each_online_cpu(j) - seq_printf(p, "%10u ", desc->kstat_irqs ? per_cpu(desc->kstat_irqs->cnt,= j) : 0); + seq_put_decimal_ull_width(p, " ", + desc->kstat_irqs ? per_cpu(desc->kstat_irqs->cnt, j) : 0, + 10); =20 raw_spin_lock_irqsave(&desc->lock, flags); if (desc->irq_data.chip) { --=20 2.39.2