Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261373AbVDCAiL (ORCPT ); Sat, 2 Apr 2005 19:38:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261392AbVDCAiL (ORCPT ); Sat, 2 Apr 2005 19:38:11 -0500 Received: from omc3-s40.bay6.hotmail.com ([65.54.249.114]:60927 "EHLO OMC3-S40.phx.gbl") by vger.kernel.org with ESMTP id S261373AbVDCAhi (ORCPT ); Sat, 2 Apr 2005 19:37:38 -0500 Message-ID: X-Originating-IP: [146.229.160.228] X-Originating-Email: [getarunsri@hotmail.com] In-Reply-To: From: "Arun Srinivas" To: linux-kernel@vger.kernel.org Subject: sched /HT processor Date: Sun, 03 Apr 2005 06:07:36 +0530 Mime-Version: 1.0 Content-Type: text/plain; format=flowed X-OriginalArrivalTime: 03 Apr 2005 00:37:37.0071 (UTC) FILETIME=[557533F0:01C537E5] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 10086 Lines: 212 HI I have pentium4 hyperthreaded processor.I am using kernel 2.6.5 and i rebuilt my kernel with CONFIG_SMP enabled (in this kernel source there is nothing such as CONFIG_SMT...i noticed this only in recent 2.6.11). 1) So, after I rebulit it with CONFIG_SMP enabled does linux recogonize my machine as hyperthreaded or as 2 seperate processor? Also, if it does not recogonize it as hyperthreaded(but only as 2 seperate CPU's), does the scheduler schedule instruction in the 2 cpu's independently? (does it maintain 2 seperate runqueues? 2) If it has indeed recogonized this as hyperthreaded processor...does the scheduler use a common runqueue for the 2 logical processor? (please read below) ********************************************************************************************************* (I am attaching the ouput of 'dmesg' (command) on my machine) ************************************************************************************************************* Apr 2 17:43:12 kulick2 kernel: Linux version 2.6.5-1.358custom (root@kulick2) (gcc version 3.3 .3 20040412 (Red Hat Linux 3.3.3-7)) #133 SMP Wed Mar 30 12:16:27 CST 2005 Apr 2 17:43:12 kulick2 kernel: BIOS-provided physical RAM map: Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 0000000000100000 - 000000001f770000 (usable) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 000000001f770000 - 000000001f772000 (ACPI NVS) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 000000001f772000 - 000000001f793000 (ACPI data) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 000000001f793000 - 000000001f800000 (reserved) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 00000000fecf0000 - 00000000fecf1000 (reserved) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 00000000fed20000 - 00000000fed90000 (reserved) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved) Apr 2 17:43:12 kulick2 kernel: BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved) Apr 2 17:43:12 kulick2 kernel: 0MB HIGHMEM available. Apr 2 17:43:12 kulick2 kernel: 503MB LOWMEM available. Apr 2 17:43:12 kulick2 kernel: ACPI: S3 and PAE do not like each other for now, S3 disabled. Apr 2 17:43:12 kulick2 kernel: found SMP MP-table at 000fe710 Apr 2 17:43:12 kulick2 kernel: On node 0 totalpages: 128880 Apr 2 17:43:12 kulick2 kernel: DMA zone: 4096 pages, LIFO batch:1 Apr 2 17:43:12 kulick2 kernel: Normal zone: 124784 pages, LIFO batch:16 Apr 2 17:43:12 kulick2 kernel: HighMem zone: 0 pages, LIFO batch:1 Apr 2 17:43:12 kulick2 kernel: DMI 2.3 present. Apr 2 17:43:12 kulick2 kernel: Using APIC driver default Apr 2 17:43:12 kulick2 kernel: ACPI: RSDP (v000 DELL ) @ 0x000feba0 Apr 2 17:43:12 kulick2 kernel: ACPI: RSDT (v001 DELL GX270 0x00000007 ASL 0x00000061) @ 0x000fd192 Apr 2 17:43:12 kulick2 kernel: ACPI: FADT (v001 DELL GX270 0x00000007 ASL 0x00000061) @ 0x000fd1ca Apr 2 17:43:12 kulick2 kernel: ACPI: SSDT (v001 DELL st_ex 0x00001000 MSFT 0x0100000d) @ 0xfffd4eee Apr 2 17:43:12 kulick2 irqbalance: irqbalance startup succeeded Apr 2 17:43:12 kulick2 kernel: ACPI: MADT (v001 DELL GX270 0x00000007 ASL 0x00000061) @ 0x000fd23e Apr 2 17:43:12 kulick2 kernel: ACPI: BOOT (v001 DELL GX270 0x00000007 ASL 0x00000061) @ 0x000fd2aa Apr 2 17:43:12 kulick2 kernel: ACPI: ASF! (v016 DELL GX270 0x00000007 ASL 0x00000061) @ 0x000fd2d2 Apr 2 17:43:12 kulick2 kernel: ACPI: DSDT (v001 DELL dt_ex 0x00001000 MSFT 0x0100000d) @ 0x00000000 Apr 2 17:43:12 kulick2 kernel: ACPI: PM-Timer IO Port: 0x808 Apr 2 17:43:12 kulick2 kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) Apr 2 17:43:12 kulick2 kernel: Processor #0 15:2 APIC version 20 Apr 2 17:43:12 kulick2 kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) Apr 2 17:43:12 kulick2 kernel: Processor #1 15:2 APIC version 20 Apr 2 17:43:12 kulick2 kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x01] disabled) Apr 2 17:43:12 kulick2 kernel: ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] disabled) Apr 2 17:43:12 kulick2 kernel: ACPI: IOAPIC (id[0x02] address[0xfec00000] global_irq_base[0x0] ) Apr 2 17:43:12 kulick2 kernel: IOAPIC[0]: Assigned apic_id 2 Apr 2 17:43:12 kulick2 kernel: IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23 Apr 2 17:43:12 kulick2 kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) Apr 2 17:43:12 kulick2 kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) Apr 2 17:43:12 kulick2 kernel: Enabling APIC mode: Flat. Using 1 I/O APICs Apr 2 17:43:12 kulick2 kernel: Using ACPI (MADT) for SMP configuration information Apr 2 17:43:12 kulick2 portmap: portmap startup succeeded Apr 2 17:43:12 kulick2 kernel: Built 1 zonelists Apr 2 17:43:12 kulick2 kernel: Kernel command line: ro root=LABEL=/ rhgb quiet Apr 2 17:43:12 kulick2 kernel: mapped 4G/4G trampoline to fffeb000. Apr 2 17:43:12 kulick2 kernel: Initializing CPU#0 Apr 2 17:43:12 kulick2 kernel: CPU 0 irqstacks, hard=023cb000 soft=023ab000 Apr 2 17:43:12 kulick2 kernel: PID hash table entries: 2048 (order 11: 16384 bytes) Apr 2 17:43:12 kulick2 kernel: Detected 2993.225 MHz processor. Apr 2 17:43:12 kulick2 kernel: Using pmtmr for high-res timesource Apr 2 17:43:12 kulick2 kernel: Console: colour VGA+ 80x25 Apr 2 17:43:12 kulick2 kernel: Memory: 505996k/515520k available (1744k kernel code, 8772k res erved, 756k data, 180k init, 0k highmem) Apr 2 17:43:12 kulick2 kernel: Calibrating delay loop... 5931.00 BogoMIPS Apr 2 17:43:12 kulick2 kernel: Security Scaffold v1.0.0 initialized Apr 2 17:43:12 kulick2 kernel: SELinux: Initializing. Apr 2 17:43:12 kulick2 kernel: SELinux: Starting in permissive mode Apr 2 17:43:12 kulick2 kernel: There is already a security framework initialized, register_sec urity failed. Apr 2 17:43:12 kulick2 kernel: Failure registering capabilities with the kernel Apr 2 17:43:12 kulick2 kernel: selinux_register_security: Registering secondary module capabi lity Apr 2 17:43:12 kulick2 kernel: Capability LSM initialized Apr 2 17:43:12 kulick2 kernel: Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) Apr 2 17:43:12 kulick2 kernel: Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) Apr 2 17:43:12 kulick2 kernel: Mount-cache hash table entries: 512 (order: 0, 4096 bytes) Apr 2 17:43:12 kulick2 kernel: CPU: Trace cache: 12K uops, L1 D cache: 8K Apr 2 17:43:12 kulick2 rpc.statd[2019]: Version 1.0.6 Starting Apr 2 17:43:12 kulick2 kernel: CPU: L2 cache: 512K Apr 2 17:43:12 kulick2 kernel: CPU: Physical Processor ID: 0 Apr 2 17:43:12 kulick2 rpc.statd[2019]: gethostbyname error for kulick2 Apr 2 17:43:12 kulick2 kernel: Intel machine check architecture supported. Apr 2 17:43:12 kulick2 kernel: Intel machine check reporting enabled on CPU#0. Apr 2 17:43:12 kulick2 nfslock: rpc.statd startup succeeded Apr 2 17:43:12 kulick2 kernel: CPU#0: Intel P4/Xeon Extended MCE MSRs (12) available Apr 2 17:43:12 kulick2 kernel: CPU#0: Thermal monitoring enabled Apr 2 17:43:12 kulick2 kernel: Enabling fast FPU save and restore... done. Apr 2 17:43:12 kulick2 kernel: Enabling unmasked SIMD FPU exception support... done. Apr 2 17:43:12 kulick2 kernel: Checking 'hlt' instruction... OK. Apr 2 17:43:12 kulick2 kernel: POSIX conformance testing by UNIFIX Apr 2 17:43:12 kulick2 kernel: CPU0: Intel(R) Pentium(R) 4 CPU 3.00GHz stepping 09 Apr 2 17:43:12 kulick2 kernel: per-CPU timeslice cutoff: 1462.93 usecs. Apr 2 17:43:12 kulick2 kernel: task migration cache decay timeout: 2 msecs. Apr 2 17:43:12 kulick2 kernel: enabled ExtINT on CPU#0 Apr 2 17:43:12 kulick2 kernel: ESR value before enabling vector: 00000040 Apr 2 17:43:12 kulick2 kernel: ESR value after enabling vector: 00000000 Apr 2 17:43:12 kulick2 kernel: Booting processor 1/1 eip 2000 Apr 2 17:43:12 kulick2 kernel: CPU 1 irqstacks, hard=023cc000 soft=023ac000 Apr 2 17:43:12 kulick2 kernel: Initializing CPU#1 Apr 2 17:43:12 kulick2 kernel: masked ExtINT on CPU#1 Apr 2 17:43:12 kulick2 kernel: ESR value before enabling vector: 00000000 Apr 2 17:43:12 kulick2 kernel: ESR value after enabling vector: 00000000 Apr 2 17:43:12 kulick2 kernel: Calibrating delay loop... 5980.16 BogoMIPS Apr 2 17:43:12 kulick2 kernel: CPU: Trace cache: 12K uops, L1 D cache: 8K Apr 2 17:43:12 kulick2 kernel: CPU: L2 cache: 512K Apr 2 17:43:12 kulick2 kernel: CPU: Physical Processor ID: 0 Apr 2 17:43:12 kulick2 kernel: Intel machine check architecture supported. Apr 2 17:43:12 kulick2 kernel: Intel machine check reporting enabled on CPU#1. Apr 2 17:43:12 kulick2 kernel: CPU#1: Intel P4/Xeon Extended MCE MSRs (12) available Apr 2 17:43:12 kulick2 kernel: CPU#1: Thermal monitoring enabled Apr 2 17:43:12 kulick2 kernel: CPU1: Intel(R) Pentium(R) 4 CPU 3.00GHz stepping 09 Apr 2 17:43:12 kulick2 kernel: Total of 2 processors activated (11911.16 BogoMIPS). Apr 2 17:43:12 kulick2 kernel: cpu_sibling_map[0] = 1 Apr 2 17:43:12 kulick2 kernel: cpu_sibling_map[1] = 0 >From: postmaster@mail.hotmail.com >To: getarunsri@hotmail.com >Subject: Delivery Status Notification (Failure) >Date: Sat, 2 Apr 2005 16:01:39 -0800 > >This is an automatically generated Delivery Status Notification. > >Delivery to the following recipients failed. > > linux-kernel@vger.kernel.org > > > ><< attach3 >> ><< message4.txt >> _________________________________________________________________ Expressions unlimited! http://server1.msn.co.in/sp04/messenger/ The all new MSN Messenger! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/