ptools/pmap/pmap.c

4  * The contents of this file are subject to the terms of the
24  * Use is subject to license terms.
53  * Round up the value to the nearest kilobyte
85  * The meminfo(2) system call accepts up to MAX_MEMINFO_CNT pages at once.
86  * When we need to scan larger ranges we divide them in MAX_MEMINFO_CNT sized
140  * <start_addr, end_addr>. Either one of these may be unspecified (set to
292 		    "\t-A start,end: limit output to the specified range\n");
297 	 * Make sure we'll have enough file descriptors to handle a target
311 	 * attached to it. To prevent such situation we catch signals from
316 		 * Buffer output to stdout, stderr while process is grabbed.
317 		 * Prevents infamous deadlocks due to pmap `pgrep xterm` and
402 			 * to make sure the address space doesn't change during
439 				    "librtld_db failed to initialize; "
697 	 * for it.  We don't want to report the heap as a.out's data.
738 	 * We need to display lgroups backing physical memory, so we break the
751 	 * allocated to same lgroup.
835 	 * for it.  We don't want to report the heap as a.out's data.
883 	 * We need to display lgroups backing physical memory, so we break the
896 	 * allocated to same lgroup.
939 	 * for it.  We don't want to report the heap as a.out's data.
1018 	 * for it.  We don't want to report the heap as a.out's data.
1181 			(void) perr("failed to allocate maps");
1272  * Convert lgroup ID to string.
1290  *	start and end is set to address
1292  *	start is set to address, end is set to INVALID_ADDRESS
1294  *	start is set to 0, end is set to address
1296  *	start is set to address1, end is set to address2
1310 		 * remains set at INVALID_ADDRESS. Otherwise it is set to the
1323 		 * missing, start will be set to INVALID_ADDRESS.
1329 	/* If there is no comma, end becomes equal to start */
1360 	 *  Nothing to do if there is no address range specified with -A
1381  * The start_addr address is rounded down to the beginning of page and end_addr
1382  * is rounded up to the end of page.
1392 	uintptr_t to;		/* end_addr rounded up */
1395 	 * Round down the lower address of the range to the beginning of page.
1421 	 * Round up the higher address of the range to the end of page.
1436 		to = (end_addr == start_addr && start == start_addr) ?
1443 		if (start > to) {
1451 		*new_end = end > to ? to : end;
1478  * Pass the whole chunk to pr_meminfo to collect lgroup and page size
1501 	 * copy starting address of each page to inaddr array for pr_meminfo.
1556  *	pagesize	Default page size to use
1571 	size_t		psz = pagesize;	/* Pagesize to use */
1573 	/* Set both lgroup IDs to the lgroup of the first page */
1592 			 * This page belongs to the contiguous region.
1593 			 * Increase the region size and advance to the new page.
1607  * information for an address, use it, otherwise shift the chunk window to the
1624 	 * starting from vaddr and apply pr_meminfo() to the whole chunk.