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| author | mwilli2@equilibrium.research.intel-research.net <mwilli2@equilibrium.research.intel-research.net> | 2004-05-11 17:04:48 +0000 |
|---|---|---|
| committer | mwilli2@equilibrium.research.intel-research.net <mwilli2@equilibrium.research.intel-research.net> | 2004-05-11 17:04:48 +0000 |
| commit | c5c7615f281ee0a9ec2a5c9cadd2f49a73c565f4 (patch) | |
| tree | 19b23e259e7202f46012cf95a032d51fb0ef96e6 /xen | |
| parent | 1de448f4c54eac94a966d65e72b15bcbef3a7e5d (diff) | |
| download | xen-c5c7615f281ee0a9ec2a5c9cadd2f49a73c565f4.tar.gz xen-c5c7615f281ee0a9ec2a5c9cadd2f49a73c565f4.tar.bz2 xen-c5c7615f281ee0a9ec2a5c9cadd2f49a73c565f4.zip | |
bitkeeper revision 1.891.3.1 (40a107b0xATyR-Pt7aENgr5O6ydSyA)
Improvements to trace buffer features.
Diffstat (limited to 'xen')
| -rw-r--r-- | xen/arch/i386/setup.c | 3 | ||||
| -rw-r--r-- | xen/common/kernel.c | 3 | ||||
| -rw-r--r-- | xen/common/trace.c | 10 |
3 files changed, 11 insertions, 5 deletions
diff --git a/xen/arch/i386/setup.c b/xen/arch/i386/setup.c index c9eccfeb1d..ebd68d3801 100644 --- a/xen/arch/i386/setup.c +++ b/xen/arch/i386/setup.c @@ -15,7 +15,6 @@ #include <asm/desc.h> #include <asm/domain_page.h> #include <asm/pdb.h> -#include <xen/trace.h> char ignore_irq13; /* set if exception 16 works */ struct cpuinfo_x86 boot_cpu_data = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; @@ -451,6 +450,4 @@ void __init start_of_day(void) #endif watchdog_on = 1; - - init_trace_bufs(); } diff --git a/xen/common/kernel.c b/xen/common/kernel.c index 0d5fa023a1..6cd567d601 100644 --- a/xen/common/kernel.c +++ b/xen/common/kernel.c @@ -31,6 +31,7 @@ #include <xen/console.h> #include <xen/net_headers.h> #include <xen/serial.h> +#include <xen/trace.h> kmem_cache_t *task_struct_cachep; @@ -288,6 +289,8 @@ void cmain(unsigned long magic, multiboot_info_t *mbi) add_to_domain_alloc_list(__pa(frame_table) + frame_table_size, dom0_memory_start); + init_trace_bufs(); + wake_up(new_dom); startup_cpu_idle_loop(); diff --git a/xen/common/trace.c b/xen/common/trace.c index 59cefadf9a..0140e7444a 100644 --- a/xen/common/trace.c +++ b/xen/common/trace.c @@ -53,6 +53,7 @@ void init_trace_bufs(void) unsigned long nr_pages; char *rawbuf; struct t_buf *buf; + struct task_struct *dom0; if ( opt_tbuf_size == 0 ) { @@ -69,10 +70,15 @@ void init_trace_bufs(void) return; } - /* share pages so that xentrace can map them */ + /* Share pages so that xentrace can map them. */ + + dom0 = find_domain_by_id(0); + for( i = 0; i < nr_pages; i++) - SHARE_PFN_WITH_DOMAIN(virt_to_page(rawbuf+(i*PAGE_SIZE)), 0); + SHARE_PFN_WITH_DOMAIN(virt_to_page(rawbuf+(i*PAGE_SIZE)), dom0); + put_task_struct(dom0); + for ( i = 0; i < smp_num_cpus; i++ ) { buf = t_bufs[i] = (struct t_buf *)&rawbuf[i*opt_tbuf_size*PAGE_SIZE]; |