From owner-svn-src-all@FreeBSD.ORG Fri Nov 6 20:33:54 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1A50F10656AE; Fri, 6 Nov 2009 20:33:54 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id C291D8FC17; Fri, 6 Nov 2009 20:33:53 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id nA6KXrpO028003; Fri, 6 Nov 2009 20:33:53 GMT (envelope-from jhb@svn.freebsd.org) Received: (from jhb@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id nA6KXr20028001; Fri, 6 Nov 2009 20:33:53 GMT (envelope-from jhb@svn.freebsd.org) Message-Id: <200911062033.nA6KXr20028001@svn.freebsd.org> From: John Baldwin Date: Fri, 6 Nov 2009 20:33:53 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org X-SVN-Group: stable-7 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r199004 - stable/7/usr.bin/vmstat X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Nov 2009 20:33:54 -0000 Author: jhb Date: Fri Nov 6 20:33:53 2009 New Revision: 199004 URL: http://svn.freebsd.org/changeset/base/199004 Log: MFC 198620: When fetching sum stats (vmstat -s) from a crash dump, fetch per-CPU counts and sum them to form the total counts. Modified: stable/7/usr.bin/vmstat/vmstat.c Directory Properties: stable/7/usr.bin/vmstat/ (props changed) Modified: stable/7/usr.bin/vmstat/vmstat.c ============================================================================== --- stable/7/usr.bin/vmstat/vmstat.c Fri Nov 6 20:33:40 2009 (r199003) +++ stable/7/usr.bin/vmstat/vmstat.c Fri Nov 6 20:33:53 2009 (r199004) @@ -58,6 +58,7 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include @@ -420,10 +421,90 @@ getuptime(void) } static void +fill_pcpu(struct pcpu ***pcpup, int* maxcpup) +{ + struct pcpu **pcpu; + + int maxcpu, size, i; + + *pcpup = NULL; + + if (kd == NULL) + return; + + maxcpu = kvm_getmaxcpu(kd); + if (maxcpu < 0) + errx(1, "kvm_getmaxcpu: %s", kvm_geterr(kd)); + + pcpu = calloc(maxcpu, sizeof(struct pcpu *)); + if (pcpu == NULL) + err(1, "calloc"); + + for (i = 0; i < maxcpu; i++) { + pcpu[i] = kvm_getpcpu(kd, i); + if (pcpu[i] == (struct pcpu *)-1) + errx(1, "kvm_getpcpu: %s", kvm_geterr(kd)); + } + + *maxcpup = maxcpu; + *pcpup = pcpu; +} + +static void +free_pcpu(struct pcpu **pcpu, int maxcpu) +{ + int i; + + for (i = 0; i < maxcpu; i++) + free(pcpu[i]); + free(pcpu); +} + +static void fill_vmmeter(struct vmmeter *vmmp) { + struct pcpu **pcpu; + int maxcpu, i; + if (kd != NULL) { kread(X_SUM, vmmp, sizeof(*vmmp)); + fill_pcpu(&pcpu, &maxcpu); + for (i = 0; i < maxcpu; i++) { + if (pcpu[i] == NULL) + continue; +#define ADD_FROM_PCPU(i, name) \ + vmmp->name += pcpu[i]->pc_cnt.name + ADD_FROM_PCPU(i, v_swtch); + ADD_FROM_PCPU(i, v_trap); + ADD_FROM_PCPU(i, v_syscall); + ADD_FROM_PCPU(i, v_intr); + ADD_FROM_PCPU(i, v_soft); + ADD_FROM_PCPU(i, v_vm_faults); + ADD_FROM_PCPU(i, v_cow_faults); + ADD_FROM_PCPU(i, v_cow_optim); + ADD_FROM_PCPU(i, v_zfod); + ADD_FROM_PCPU(i, v_ozfod); + ADD_FROM_PCPU(i, v_swapin); + ADD_FROM_PCPU(i, v_swapout); + ADD_FROM_PCPU(i, v_swappgsin); + ADD_FROM_PCPU(i, v_swappgsout); + ADD_FROM_PCPU(i, v_vnodein); + ADD_FROM_PCPU(i, v_vnodeout); + ADD_FROM_PCPU(i, v_vnodepgsin); + ADD_FROM_PCPU(i, v_vnodepgsout); + ADD_FROM_PCPU(i, v_intrans); + ADD_FROM_PCPU(i, v_tfree); + ADD_FROM_PCPU(i, v_forks); + ADD_FROM_PCPU(i, v_vforks); + ADD_FROM_PCPU(i, v_rforks); + ADD_FROM_PCPU(i, v_kthreads); + ADD_FROM_PCPU(i, v_forkpages); + ADD_FROM_PCPU(i, v_vforkpages); + ADD_FROM_PCPU(i, v_rforkpages); + ADD_FROM_PCPU(i, v_kthreadpages); +#undef ADD_FROM_PCPU + } + free_pcpu(pcpu, maxcpu); } else { size_t size = sizeof(unsigned int); #define GET_VM_STATS(cat, name) \