Corey,
Patch applied. I tweaked the error messages a bit.
Thanks.
On Mon, Sep 27, 2010 at 8:15 AM, Corey Ashford
<cjash...@linux.vnet.ibm.com> wrote:
> Provide a small tool which translates an event string + modifiers to a raw
> event code for use with the perf tool.
>
> This example is very simple and takes a single event string as an argument.
>
> Signed-off-by: Corey Ashford <cjash...@us.ibm.com>
> ---
> perf_examples/Makefile | 2 +-
> perf_examples/evt2raw.c | 74
> +++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 75 insertions(+), 1 deletions(-)
> create mode 100644 perf_examples/evt2raw.c
>
> diff --git a/perf_examples/Makefile b/perf_examples/Makefile
> index 1d353d4..8ebb290 100644
> --- a/perf_examples/Makefile
> +++ b/perf_examples/Makefile
> @@ -55,7 +55,7 @@ ifeq ($(SYS),Linux)
> LPC_UTILS=perf_util.o
> TARGETS+=self self_basic self_count task task_attach_timeout syst \
> notify_self notify_group task_smpl self_smpl_multi \
> - self_pipe syst_count task_cpu syst_smpl
> + self_pipe syst_count task_cpu syst_smpl evt2raw
>
> #XTRA += rtop
> endif
> diff --git a/perf_examples/evt2raw.c b/perf_examples/evt2raw.c
> new file mode 100644
> index 0000000..917420f
> --- /dev/null
> +++ b/perf_examples/evt2raw.c
> @@ -0,0 +1,74 @@
> +/*
> + * evt2raw.c - example which converts an event string (event + modifiers) to
> + * a raw event code usable by the perf tool.
> + *
> + * Copyright (c) 2010 IBM Corp.
> + * Contributed by Corey Ashford <cjash...@us.ibm.com>
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> copy
> + * of this software and associated documentation files (the "Software"), to
> deal
> + * in the Software without restriction, including without limitation the
> rights
> + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> copies
> + * of the Software, and to permit persons to whom the Software is furnished
> to do so,
> + * subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included
> in all
> + * copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
> OR IMPLIED,
> + * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
> FOR A
> + * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
> COPYRIGHT
> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
> AN ACTION OF
> + * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
> THE SOFTWARE
> + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
> + */
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +#include <perfmon/pfmlib_perf_event.h>
> +
> +static void
> +usage(void)
> +{
> + printf("usage: evt2raw <event>\n"
> + "<event> is the symbolic event, including modifiers, to "
> + "translate to a raw code.\n");
> +}
> +
> +int
> +main(int argc, char **argv)
> +{
> + int ret;
> + struct perf_event_attr pea;
> + char *event_str;
> +
> + if (argc != 2) {
> + usage();
> + return 1;
> + }
> + event_str = argv[1];
> +
> + ret = pfm_initialize();
> + if (ret != PFM_SUCCESS) {
> + printf("Internal error: pfm_initialize returned %s\n",
> + pfm_strerror(ret));
> + return 1;
> + }
> +
> + ret = pfm_get_perf_event_encoding(event_str, PFM_PLM0|PFM_PLM3, &pea,
> + NULL, NULL);
> + if (ret != PFM_SUCCESS) {
> + printf("Error: pfm_get_perf_encoding returned %s\n",
> + pfm_strerror(ret));
> + return 1;
> + }
> +
> + if (pea.type != PERF_TYPE_RAW) {
> + printf("Error: %s is not a raw hardware event\n", event_str);
> + return 1;
> + }
> +
> + printf("r%llx\n", pea.config);
> +
> + return 0;
> +}
> --
> 1.7.0.4
>
>
> ------------------------------------------------------------------------------
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