From what I understand, %04x pads the first element with 0s to make up 4 digits in hex, and is assigned to variable counter. After this, we print the rest of the line as a string.
However I cannot understand why we need counter+=NF in this case, as NF should be 16. Can you please explain this logic? Can we use something else to accomplish this (i.e for loop).
hi,
for reading a cobol indexed file i need to convert "mmddyy" date format to "ccyyddd" format.
i checked the datecalc and other scripts but couldnt modify them to cater to my need:(...
The datecalc gives an output which i believe is the total days till that date, but i want to convert it... (2 Replies)
:) Hi
i am trying to convert a file which is in UTF8 format to ANSI format i tried to use the function ICONV but it is throwing error
Function i used it as
$ iconv -f UTF8 -t ANSI filename
Error iam getting is NOT Supported UTF8 to ANSI
please some help me out on this.........Let me... (1 Reply)
:confused: Hi
i am trying to convert a file which is in UTF8 format to ANSI format i tried to use the function ICONV but it is throwing error
Function i used it as
$ iconv -f UTF8 -t ANSI filename
Error iam getting is NOT Supported UTF8 to ANSI
please some help me out on... (9 Replies)
Hi
I have a file which has ascii , binary, binary decimal coded,decimal & hexadecimal data with lot of special characters (like öƒ.ƒ.„İİ¡Š·œƒ.„İİ¡Š· ) in it. I want to standardize the file into ASCII format & later use that as source .
Can any one suggest a way a logic to convert such... (5 Replies)
Hello everybody,
I am having problem in converting byte array variables to Hexa String variables for Linux. I have done, converting byte array variables to Hexa String variables for Windows but same function doesn't work for linux. Is there any difference in OS ? The code for Windows is given... (2 Replies)
I have a file named "suspected" with series of line like these :
{'protocol': 17, 'service': 'BitTorrent KRPC', 'server': '219.78.120.166', 'client_port': 52044, 'client': '10.64.68.44', 'server_port': 8291, 'time': 1226506312L, 'serverhostname': ''}
{'protocol': 17, 'service': 'BitTorrent... (3 Replies)
I have a comma delimited log file which has the date as MM/DD/YY in the 2nd column, and HH:MM:SS in the 3rd column.
I need to change the date format to YYYY-MM-DD and merge it with the the time HH:MM:SS. How will I got about this?
Sample input
02/27/09,23:52:31
02/27/09,23:52:52... (3 Replies)
Hi All,
Is there any way to convert a file which is in UNIX format to a PC format....
Flip command can be used , apart form this command can we have any other way.... like usinf "awk" etc ..... main purpose of not using flip is that my Kshell doesnot support this comamnd.... (1 Reply)
Hi All,
Is there any way to convert a file which is in UNIX format to a PC format....
Flip command can be used , apart form this command can we have any other way.... like usinf "awk" etc ..... main purpose of not using flip is that my Kshell doesnot support this comamnd.... (2 Replies)
Hi Folks,
I have written a perl script that reads data from excel sheet(.xls) using Spreadsheet::ParseExcel module. But the problem is this module doesn't work for excel sheets with extension .xlsx.
I have gone through Spreadsheet::XLSX module with which we can read from .xlsx file directly.... (1 Reply)
Discussion started by: giridhar276
1 Replies
LEARN ABOUT NETBSD
pmc_get_info
PMC_CONTROL(2) BSD System Calls Manual PMC_CONTROL(2)NAME
pmc_control, pmc_get_info -- Hardware Performance Monitoring Interface
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <sys/pmc.h>
int
pmc_control(int ctr, int op, void *argp);
int
pmc_get_info(int ctr, int op, void *argp);
DESCRIPTION
pmc_get_info() returns the number of counters in the system or information on a specified counter ctr. The possible values for op are:
PMC_INFO_NCOUNTERS
When querying the number of counters in the system, ctr is ignored and argp is of type int *. Upon return, the integer pointed to by
argp will contain the number of counters that are available in the system.
PMC_INFO_CPUCTR_TYPE
When querying the type of a counter in the system, ctr refers to the counter being queried, and argp is of type int *. Upon return,
the integer pointed to by argp will contain the implementation-dependent type of the specified counter.
If ctr is -1, the integer pointed to by argp will contain the machine-dependent type describing the CPU or counter configuration.
PMC_INFO_COUNTER_VALUE
When querying the value of a counter in the system, ctr refers to the counter being queried, and argp is of type uint64_t *. Upon
return, the 64-bit integer pointed to by argp will contain the value of the specified counter.
PMC_INFO_ACCUMULATED_COUNTER_VALUE
When querying the value of a counter in the system, ctr refers to the counter being queried, and argp is of type uint64_t *. Upon
return, the 64-bit integer pointed to by argp will contain the sum of the accumulated values of specified counter in all exited sub-
processes of the current process.
pmc_control() manipulates the specified counter ctr in one of several fashions. The op parameter determines the action taken by the kernel
and also the interpretation of the argp parameter. The possible values for op are:
PMC_OP_START
Starts the specified ctr running. It must be preceded by a call with PMC_OP_CONFIGURE. argp is ignored in this case and may be NULL.
PMC_OP_STOP
Stops the specified ctr from running. argp is ignored in this case and may be NULL.
PMC_OP_CONFIGURE
Configures the specified ctr prior to running. argp is a pointer to a struct pmc_counter_cfg.
struct pmc_counter_cfg {
pmc_evid_t event_id;
pmc_ctr_t reset_value;
uint32_t flags;
};
event_id
is the event ID to be counted.
reset_value
is a value to which the counter should be reset on overflow (if supported by the implementation). This is most useful when
profiling (see PMC_OP_PROFSTART, below). This value is defined to be the number of counter ticks before the next overflow.
So, to get a profiling tick on every hundredth data cache miss, set the event_id to the proper value for ``dcache-miss'' and
set reset_value to 100.
flags Currently unused.
PMC_OP_PROFSTART
Configures the specified ctr for use in profiling. argp is a pointer to a struct pmc_counter_cfg as in PMC_OP_CONFIGURE, above. This
request allocates a kernel counter, which will fail if any process is using the requested counter. Not all implementations or coun-
ters may support this option.
PMC_OP_PROFSTOP
Stops the specified ctr from being used for profiling. argp is ignored in this case and may be NULL.
RETURN VALUES
A return value of 0 indicates that the call succeeded. Otherwise, -1 is returned and the global variable errno is set to indicate the error.
ERRORS
Among the possible error codes from pmc_control() and pmc_get_info() are
[EFAULT] The address specified for the argp is invalid.
[ENXIO] Specified counter is not yet configured.
[EINPROGRESS] PMC_OP_START was passed for a counter that is already running.
[EINVAL] Specified counter was invalid.
[EBUSY] If the requested counter is already in use--either by the current process or by the kernel.
[ENODEV] If and only if the specified counter event is not valid for the specified counter when configuring a counter or starting
profiling.
[ENOMEM] If the kernel is unable to allocate memory.
SEE ALSO pmc(1), pmc(9)HISTORY
The pmc_control() and pmc_get_info() system calls appeared in NetBSD 2.0.
BSD October 27, 2005 BSD