| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #ifndef NETDATA_PROCESS_MEMORY_H |
| 4 | #define NETDATA_PROCESS_MEMORY_H |
| 5 | |
| 6 | #include "libnetdata/libnetdata.h" |
| 7 | |
| 8 | /** |
| 9 | * Process memory information |
| 10 | * |
| 11 | * This structure contains memory usage information for a process. |
| 12 | */ |
| 13 | typedef struct { |
| 14 | uint64_t rss; // Resident Set Size in bytes |
| 15 | uint64_t virtual_size; // Virtual memory size in bytes |
| 16 | uint64_t shared; // Shared memory in bytes |
| 17 | uint64_t text; // Text (code) size in bytes |
| 18 | uint64_t data; // Data size in bytes |
| 19 | uint64_t max_rss; // Peak resident set size in bytes |
| 20 | } OS_PROCESS_MEMORY; |
| 21 | |
| 22 | /** |
| 23 | * Check if the process memory information is valid |
| 24 | */ |
| 25 | #define OS_PROCESS_MEMORY_OK(proc_mem) ((proc_mem).rss > 0) |
| 26 | |
| 27 | /** |
| 28 | * Empty process memory structure |
| 29 | */ |
| 30 | #define OS_PROCESS_MEMORY_EMPTY (OS_PROCESS_MEMORY){ 0 } |
| 31 | |
| 32 | /** |
| 33 | * Get process memory information |
| 34 | * |
| 35 | * Returns memory information for the specified process, or the current |
| 36 | * process if pid is 0. |
| 37 | * |
| 38 | * @param pid The process ID or 0 for current process |
| 39 | * @return OS_PROCESS_MEMORY The memory information |
| 40 | */ |
| 41 | OS_PROCESS_MEMORY os_process_memory(pid_t pid); |
| 42 | |
| 43 | #endif // NETDATA_PROCESS_MEMORY_H |