4 files changed, 526 insertions, 16 deletions

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
new file mode 100644
index 000000000000..11224eddcdc2
--- /dev/null
+++ b/tools/hv/hv_kvp_daemon.c
@@ -0,0 +1,500 @@
+/*
+ * An implementation of key value pair (KVP) functionality for Linux.
+ *
+ *
+ * Copyright (C) 2010, Novell, Inc.
+ * Author : K. Y. Srinivasan <ksrinivasan@novell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/poll.h>
+#include <sys/utsname.h>
+#include <linux/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <arpa/inet.h>
+#include <linux/connector.h>
+#include <linux/netlink.h>
+#include <ifaddrs.h>
+#include <netdb.h>
+#include <syslog.h>
+
+/*
+ * KYS: TODO. Need to register these in the kernel.
+ *
+ * The following definitions are shared with the in-kernel component; do not
+ * change any of this without making the corresponding changes in
+ * the KVP kernel component.
+ */
+#define CN_KVP_IDX              0x9     /* MSFT KVP functionality */
+#define CN_KVP_VAL              0x1 /* This supports queries from the kernel */
+#define CN_KVP_USER_VAL         0x2 /* This supports queries from the user  */
+
+/*
+ * KVP protocol: The user mode component first registers with the
+ * the kernel component. Subsequently, the kernel component requests, data
+ * for the specified keys. In response to this message the user mode component
+ * fills in the value corresponding to the specified key. We overload the
+ * sequence field in the cn_msg header to define our KVP message types.
+ *
+ * We use this infrastructure for also supporting queries from user mode
+ * application for state that may be maintained in the KVP kernel component.
+ *
+ * XXXKYS: Have a shared header file between the user and kernel (TODO)
+ */
+
+enum kvp_op {
+        KVP_REGISTER = 0, /* Register the user mode component*/
+        KVP_KERNEL_GET, /*Kernel is requesting the value for the specified key*/
+        KVP_KERNEL_SET, /*Kernel is providing the value for the specified key*/
+        KVP_USER_GET, /*User is requesting the value for the specified key*/
+        KVP_USER_SET /*User is providing the value for the specified key*/
+};
+
+#define HV_KVP_EXCHANGE_MAX_KEY_SIZE    512
+#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE  2048
+
+struct hv_ku_msg {
+        __u32   kvp_index;
+        __u8  kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */
+        __u8  kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key  value */
+};
+
+enum key_index {
+        FullyQualifiedDomainName = 0,
+        IntegrationServicesVersion, /*This key is serviced in the kernel*/
+        NetworkAddressIPv4,
+        NetworkAddressIPv6,
+        OSBuildNumber,
+        OSName,
+        OSMajorVersion,
+        OSMinorVersion,
+        OSVersion,
+        ProcessorArchitecture
+};
+
+/*
+ * End of shared definitions.
+ */
+
+static char kvp_send_buffer[4096];
+static char kvp_recv_buffer[4096];
+static struct sockaddr_nl addr;
+
+static char *os_name = "";
+static char *os_major = "";
+static char *os_minor = "";
+static char *processor_arch;
+static char *os_build;
+static char *lic_version;
+static struct utsname uts_buf;
+
+void kvp_get_os_info(void)
+{
+        FILE    *file;
+        char    *p, buf[512];
+
+        uname(&uts_buf);
+        os_build = uts_buf.release;
+        processor_arch = uts_buf.machine;
+
+        /*
+         * The current windows host (win7) expects the build
+         * string to be of the form: x.y.z
+         * Strip additional information we may have.
+         */
+        p = strchr(os_build, '-');
+        if (p)
+                *p = '\0';
+
+        file = fopen("/etc/SuSE-release", "r");
+        if (file != NULL)
+                goto kvp_osinfo_found;
+        file  = fopen("/etc/redhat-release", "r");
+        if (file != NULL)
+                goto kvp_osinfo_found;
+        /*
+         * Add code for other supported platforms.
+         */
+
+        /*
+         * We don't have information about the os.
+         */
+        os_name = uts_buf.sysname;
+        return;
+
+kvp_osinfo_found:
+        /* up to three lines */
+        p = fgets(buf, sizeof(buf), file);
+        if (p) {
+                p = strchr(buf, '\n');
+                if (p)
+                        *p = '\0';
+                p = strdup(buf);
+                if (!p)
+                        goto done;
+                os_name = p;
+
+                /* second line */
+                p = fgets(buf, sizeof(buf), file);
+                if (p) {
+                        p = strchr(buf, '\n');
+                        if (p)
+                                *p = '\0';
+                        p = strdup(buf);
+                        if (!p)
+                                goto done;
+                        os_major = p;
+
+                        /* third line */
+                        p = fgets(buf, sizeof(buf), file);
+                        if (p)  {
+                                p = strchr(buf, '\n');
+                                if (p)
+                                        *p = '\0';
+                                p = strdup(buf);
+                                if (p)
+                                        os_minor = p;
+                        }
+                }
+        }
+
+done:
+        fclose(file);
+        return;
+}
+
+static int
+kvp_get_ip_address(int family, char *buffer, int length)
+{
+        struct ifaddrs *ifap;
+        struct ifaddrs *curp;
+        int ipv4_len = strlen("255.255.255.255") + 1;
+        int ipv6_len = strlen("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")+1;
+        int offset = 0;
+        const char *str;
+        char tmp[50];
+        int error = 0;
+
+        /*
+         * On entry into this function, the buffer is capable of holding the
+         * maximum key value (2048 bytes).
+         */
+
+        if (getifaddrs(&ifap)) {
+                strcpy(buffer, "getifaddrs failed\n");
+                return 1;
+        }
+
+        curp = ifap;
+        while (curp != NULL) {
+                if ((curp->ifa_addr != NULL) &&
+                   (curp->ifa_addr->sa_family == family)) {
+                        if (family == AF_INET) {
+                                struct sockaddr_in *addr =
+                                (struct sockaddr_in *) curp->ifa_addr;
+
+                                str = inet_ntop(family, &addr->sin_addr,
+                                                tmp, 50);
+                                if (str == NULL) {
+                                        strcpy(buffer, "inet_ntop failed\n");
+                                        error = 1;
+                                        goto getaddr_done;
+                                }
+                                if (offset == 0)
+                                        strcpy(buffer, tmp);
+                                else
+                                        strcat(buffer, tmp);
+                                strcat(buffer, ";");
+
+                                offset += strlen(str) + 1;
+                                if ((length - offset) < (ipv4_len + 1))
+                                        goto getaddr_done;
+
+                        } else {
+
+                        /*
+                         * We only support AF_INET and AF_INET6
+                         * and the list of addresses is separated by a ";".
+                         */
+                                struct sockaddr_in6 *addr =
+                                (struct sockaddr_in6 *) curp->ifa_addr;
+
+                                str = inet_ntop(family,
+                                        &addr->sin6_addr.s6_addr,
+                                        tmp, 50);
+                                if (str == NULL) {
+                                        strcpy(buffer, "inet_ntop failed\n");
+                                        error = 1;
+                                        goto getaddr_done;
+                                }
+                                if (offset == 0)
+                                        strcpy(buffer, tmp);
+                                else
+                                        strcat(buffer, tmp);
+                                strcat(buffer, ";");
+                                offset += strlen(str) + 1;
+                                if ((length - offset) < (ipv6_len + 1))
+                                        goto getaddr_done;
+
+                        }
+
+                }
+                curp = curp->ifa_next;
+        }
+
+getaddr_done:
+        freeifaddrs(ifap);
+        return error;
+}
+
+
+static int
+kvp_get_domain_name(char *buffer, int length)
+{
+        struct addrinfo hints, *info ;
+        int error = 0;
+
+        gethostname(buffer, length);
+        memset(&hints, 0, sizeof(hints));
+        hints.ai_family = AF_INET; /*Get only ipv4 addrinfo. */
+        hints.ai_socktype = SOCK_STREAM;
+        hints.ai_flags = AI_CANONNAME;
+
+        error = getaddrinfo(buffer, NULL, &hints, &info);
+        if (error != 0) {
+                strcpy(buffer, "getaddrinfo failed\n");
+                return error;
+        }
+        strcpy(buffer, info->ai_canonname);
+        freeaddrinfo(info);
+        return error;
+}
+
+static int
+netlink_send(int fd, struct cn_msg *msg)
+{
+        struct nlmsghdr *nlh;
+        unsigned int size;
+        struct msghdr message;
+        char buffer[64];
+        struct iovec iov[2];
+
+        size = NLMSG_SPACE(sizeof(struct cn_msg) + msg->len);
+
+        nlh = (struct nlmsghdr *)buffer;
+        nlh->nlmsg_seq = 0;
+        nlh->nlmsg_pid = getpid();
+        nlh->nlmsg_type = NLMSG_DONE;
+        nlh->nlmsg_len = NLMSG_LENGTH(size - sizeof(*nlh));
+        nlh->nlmsg_flags = 0;
+
+        iov[0].iov_base = nlh;
+        iov[0].iov_len = sizeof(*nlh);
+
+        iov[1].iov_base = msg;
+        iov[1].iov_len = size;
+
+        memset(&message, 0, sizeof(message));
+        message.msg_name = &addr;
+        message.msg_namelen = sizeof(addr);
+        message.msg_iov = iov;
+        message.msg_iovlen = 2;
+
+        return sendmsg(fd, &message, 0);
+}
+
+int main(void)
+{
+        int fd, len, sock_opt;
+        int error;
+        struct cn_msg *message;
+        struct pollfd pfd;
+        struct nlmsghdr *incoming_msg;
+        struct cn_msg   *incoming_cn_msg;
+        struct hv_ku_msg *hv_msg;
+        char    *p;
+        char    *key_value;
+        char    *key_name;
+
+        daemon(1, 0);
+        openlog("KVP", 0, LOG_USER);
+        syslog(LOG_INFO, "KVP starting; pid is:%d", getpid());
+        /*
+         * Retrieve OS release information.
+         */
+        kvp_get_os_info();
+
+        fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
+        if (fd < 0) {
+                syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
+                exit(-1);
+        }
+        addr.nl_family = AF_NETLINK;
+        addr.nl_pad = 0;
+        addr.nl_pid = 0;
+        addr.nl_groups = CN_KVP_IDX;
+
+
+        error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
+        if (error < 0) {
+                syslog(LOG_ERR, "bind failed; error:%d", error);
+                close(fd);
+                exit(-1);
+        }
+        sock_opt = addr.nl_groups;
+        setsockopt(fd, 270, 1, &sock_opt, sizeof(sock_opt));
+        /*
+         * Register ourselves with the kernel.
+         */
+        message = (struct cn_msg *)kvp_send_buffer;
+        message->id.idx = CN_KVP_IDX;
+        message->id.val = CN_KVP_VAL;
+        message->seq = KVP_REGISTER;
+        message->ack = 0;
+        message->len = 0;
+
+        len = netlink_send(fd, message);
+        if (len < 0) {
+                syslog(LOG_ERR, "netlink_send failed; error:%d", len);
+                close(fd);
+                exit(-1);
+        }
+
+        pfd.fd = fd;
+
+        while (1) {
+                pfd.events = POLLIN;
+                pfd.revents = 0;
+                poll(&pfd, 1, -1);
+
+                len = recv(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0);
+
+                if (len < 0) {
+                        syslog(LOG_ERR, "recv failed; error:%d", len);
+                        close(fd);
+                        return -1;
+                }
+
+                incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
+                incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
+
+                switch (incoming_cn_msg->seq) {
+                case KVP_REGISTER:
+                        /*
+                         * Driver is registering with us; stash away the version
+                         * information.
+                         */
+                        p = (char *)incoming_cn_msg->data;
+                        lic_version = malloc(strlen(p) + 1);
+                        if (lic_version) {
+                                strcpy(lic_version, p);
+                                syslog(LOG_INFO, "KVP LIC Version: %s",
+                                        lic_version);
+                        } else {
+                                syslog(LOG_ERR, "malloc failed");
+                        }
+                        continue;
+
+                case KVP_KERNEL_GET:
+                        break;
+                default:
+                        continue;
+                }
+
+                hv_msg = (struct hv_ku_msg *)incoming_cn_msg->data;
+                key_name = (char *)hv_msg->kvp_key;
+                key_value = (char *)hv_msg->kvp_value;
+
+                switch (hv_msg->kvp_index) {
+                case FullyQualifiedDomainName:
+                        kvp_get_domain_name(key_value,
+                                        HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
+                        strcpy(key_name, "FullyQualifiedDomainName");
+                        break;
+                case IntegrationServicesVersion:
+                        strcpy(key_name, "IntegrationServicesVersion");
+                        strcpy(key_value, lic_version);
+                        break;
+                case NetworkAddressIPv4:
+                        kvp_get_ip_address(AF_INET, key_value,
+                                        HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
+                        strcpy(key_name, "NetworkAddressIPv4");
+                        break;
+                case NetworkAddressIPv6:
+                        kvp_get_ip_address(AF_INET6, key_value,
+                                        HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
+                        strcpy(key_name, "NetworkAddressIPv6");
+                        break;
+                case OSBuildNumber:
+                        strcpy(key_value, os_build);
+                        strcpy(key_name, "OSBuildNumber");
+                        break;
+                case OSName:
+                        strcpy(key_value, os_name);
+                        strcpy(key_name, "OSName");
+                        break;
+                case OSMajorVersion:
+                        strcpy(key_value, os_major);
+                        strcpy(key_name, "OSMajorVersion");
+                        break;
+                case OSMinorVersion:
+                        strcpy(key_value, os_minor);
+                        strcpy(key_name, "OSMinorVersion");
+                        break;
+                case OSVersion:
+                        strcpy(key_value, os_build);
+                        strcpy(key_name, "OSVersion");
+                        break;
+                case ProcessorArchitecture:
+                        strcpy(key_value, processor_arch);
+                        strcpy(key_name, "ProcessorArchitecture");
+                        break;
+                default:
+                        strcpy(key_value, "Unknown Key");
+                        /*
+                         * We use a null key name to terminate enumeration.
+                         */
+                        strcpy(key_name, "");
+                        break;
+                }
+                /*
+                 * Send the value back to the kernel. The response is
+                 * already in the receive buffer. Update the cn_msg header to
+                 * reflect the key value that has been added to the message
+                 */
+
+                incoming_cn_msg->id.idx = CN_KVP_IDX;
+                incoming_cn_msg->id.val = CN_KVP_VAL;
+                incoming_cn_msg->seq = KVP_USER_SET;
+                incoming_cn_msg->ack = 0;
+                incoming_cn_msg->len = sizeof(struct hv_ku_msg);
+
+                len = netlink_send(fd, incoming_cn_msg);
+                if (len < 0) {
+                        syslog(LOG_ERR, "net_link send failed; error:%d", len);
+                        exit(-1);
+                }
+        }
+
+}
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index fe02903f7d0f..80d9598db31a 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -341,7 +341,7 @@ const char *perf_config_dirname(const char *name, const char *value)
 
 static int perf_default_core_config(const char *var __used, const char *value __used)
 {
-        /* Add other config variables here and to Documentation/config.txt. */
+        /* Add other config variables here. */
         return 0;
 }
 
@@ -350,7 +350,7 @@ int perf_default_config(const char *var, const char *value, void *dummy __used)
         if (!prefixcmp(var, "core."))
                 return perf_default_core_config(var, value);
 
-        /* Add other config variables here and to Documentation/config.txt. */
+        /* Add other config variables here. */
         return 0;
 }
 
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 8b2d37b59c9e..3c6f7808efae 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -162,19 +162,21 @@ void print_header(void)
 
 void dump_cnt(struct counters *cnt)
 {
-        fprintf(stderr, "package: %d ", cnt->pkg);
-        fprintf(stderr, "core:: %d ", cnt->core);
-        fprintf(stderr, "CPU: %d ", cnt->cpu);
-        fprintf(stderr, "TSC: %016llX\n", cnt->tsc);
-        fprintf(stderr, "c3: %016llX\n", cnt->c3);
-        fprintf(stderr, "c6: %016llX\n", cnt->c6);
-        fprintf(stderr, "c7: %016llX\n", cnt->c7);
-        fprintf(stderr, "aperf: %016llX\n", cnt->aperf);
-        fprintf(stderr, "pc2: %016llX\n", cnt->pc2);
-        fprintf(stderr, "pc3: %016llX\n", cnt->pc3);
-        fprintf(stderr, "pc6: %016llX\n", cnt->pc6);
-        fprintf(stderr, "pc7: %016llX\n", cnt->pc7);
-        fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, cnt->extra_msr);
+        if (!cnt)
+                return;
+        if (cnt->pkg) fprintf(stderr, "package: %d ", cnt->pkg);
+        if (cnt->core) fprintf(stderr, "core:: %d ", cnt->core);
+        if (cnt->cpu) fprintf(stderr, "CPU: %d ", cnt->cpu);
+        if (cnt->tsc) fprintf(stderr, "TSC: %016llX\n", cnt->tsc);
+        if (cnt->c3) fprintf(stderr, "c3: %016llX\n", cnt->c3);
+        if (cnt->c6) fprintf(stderr, "c6: %016llX\n", cnt->c6);
+        if (cnt->c7) fprintf(stderr, "c7: %016llX\n", cnt->c7);
+        if (cnt->aperf) fprintf(stderr, "aperf: %016llX\n", cnt->aperf);
+        if (cnt->pc2) fprintf(stderr, "pc2: %016llX\n", cnt->pc2);
+        if (cnt->pc3) fprintf(stderr, "pc3: %016llX\n", cnt->pc3);
+        if (cnt->pc6) fprintf(stderr, "pc6: %016llX\n", cnt->pc6);
+        if (cnt->pc7) fprintf(stderr, "pc7: %016llX\n", cnt->pc7);
+        if (cnt->extra_msr) fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, cnt->extra_msr);
 }
 
 void dump_list(struct counters *cnt)
diff --git a/tools/slub/slabinfo.c b/tools/slub/slabinfo.c
index 868cc93f7ac2..164cbcf61106 100644
--- a/tools/slub/slabinfo.c
+++ b/tools/slub/slabinfo.c
@@ -42,6 +42,7 @@ struct slabinfo {
         unsigned long deactivate_remote_frees, order_fallback;
         unsigned long cmpxchg_double_cpu_fail, cmpxchg_double_fail;
         unsigned long alloc_node_mismatch, deactivate_bypass;
+        unsigned long cpu_partial_alloc, cpu_partial_free;
         int numa[MAX_NODES];
         int numa_partial[MAX_NODES];
 } slabinfo[MAX_SLABS];
@@ -455,6 +456,11 @@ static void slab_stats(struct slabinfo *s)
                 s->alloc_from_partial * 100 / total_alloc,
                 s->free_remove_partial * 100 / total_free);
 
+        printf("Cpu partial list     %8lu %8lu %3lu %3lu\n",
+                s->cpu_partial_alloc, s->cpu_partial_free,
+                s->cpu_partial_alloc * 100 / total_alloc,
+                s->cpu_partial_free * 100 / total_free);
+
         printf("RemoteObj/SlabFrozen %8lu %8lu %3lu %3lu\n",
                 s->deactivate_remote_frees, s->free_frozen,
                 s->deactivate_remote_frees * 100 / total_alloc,
@@ -1145,7 +1151,7 @@ static void read_slab_dir(void)
                 switch (de->d_type) {
                    case DT_LNK:
                         alias->name = strdup(de->d_name);
-                        count = readlink(de->d_name, buffer, sizeof(buffer));
+                        count = readlink(de->d_name, buffer, sizeof(buffer)-1);
 
                         if (count < 0)
                                 fatal("Cannot read symlink %s\n", de->d_name);
@@ -1209,6 +1215,8 @@ static void read_slab_dir(void)
                         slab->order_fallback = get_obj("order_fallback");
                         slab->cmpxchg_double_cpu_fail = get_obj("cmpxchg_double_cpu_fail");
                         slab->cmpxchg_double_fail = get_obj("cmpxchg_double_fail");
+                        slab->cpu_partial_alloc = get_obj("cpu_partial_alloc");
+                        slab->cpu_partial_free = get_obj("cpu_partial_free");
                         slab->alloc_node_mismatch = get_obj("alloc_node_mismatch");
                         slab->deactivate_bypass = get_obj("deactivate_bypass");
                         chdir("..");